Manual
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... diving or diving at altitudes (diving in a high mountain lake, etc.). First of all instructions for the use by adults only in recreational (no-decompression) diving in water having a specific gravity of 1.025 (sea water), having a temperature range of nodecompression limits nor properly employ the watch set forth in an inherently hazardous form of recreation. ENEnGgLliIsShH CAUTION The SEIKO SCUBA DIVER'S Cal. 7K52...
... diving or diving at altitudes (diving in a high mountain lake, etc.). First of all instructions for the use by adults only in recreational (no-decompression) diving in water having a specific gravity of 1.025 (sea water), having a temperature range of nodecompression limits nor properly employ the watch set forth in an inherently hazardous form of recreation. ENEnGgLliIsShH CAUTION The SEIKO SCUBA DIVER'S Cal. 7K52...
Manual
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English CONTENTS Page HOW TO USE THE SCREW LOCK TYPE CROWN 8 TIME/CALENDAR SETTING 9 ADJUSTING THE HAND POSITION BEFORE DIVING 10 DIVING MEASUREMENT 11 WARNING FUNCTION FOR DIVING 14 RECALL OF LOG DATA 17 ROTATING BEZEL ...18 SINGLE-TIME ALARM 19 PRECAUTIONS FOR DIVING 20 NOTES ON USING THE WATCH 23 BATTERY LIFE INDICATOR 27 BATTERY CHANGE ...27 HOW TO USE THE DIVER EXTENDER 30 SPECIFICATIONS ...31 ✩ For the care of your watch, see "TO PRESERVE THE QUALITY OF YOUR WATCH" in the attached Worldwide Guarantee and Instruction Booklet. 5
English CONTENTS Page HOW TO USE THE SCREW LOCK TYPE CROWN 8 TIME/CALENDAR SETTING 9 ADJUSTING THE HAND POSITION BEFORE DIVING 10 DIVING MEASUREMENT 11 WARNING FUNCTION FOR DIVING 14 RECALL OF LOG DATA 17 ROTATING BEZEL ...18 SINGLE-TIME ALARM 19 PRECAUTIONS FOR DIVING 20 NOTES ON USING THE WATCH 23 BATTERY LIFE INDICATOR 27 BATTERY CHANGE ...27 HOW TO USE THE DIVER EXTENDER 30 SPECIFICATIONS ...31 ✩ For the care of your watch, see "TO PRESERVE THE QUALITY OF YOUR WATCH" in the attached Worldwide Guarantee and Instruction Booklet. 5
Manual
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TIME/CALENDAR ● Hour, minute and small second hands and date 6 English CAL. 7K52 DIVING MEASUREMENT ● Full automatic measurement of diving data Current depth, maximum depth, diving time and time submerged ● Recording of log data Maximum depth, average depth, diving time and time submerged for the last two dives ● Warning functions • Rapid ascent warning • Extra measurement range warning • Abnormal measurement warning ● Rotating bezel Can measure elapsed time such...
TIME/CALENDAR ● Hour, minute and small second hands and date 6 English CAL. 7K52 DIVING MEASUREMENT ● Full automatic measurement of diving data Current depth, maximum depth, diving time and time submerged ● Recording of log data Maximum depth, average depth, diving time and time submerged for the last two dives ● Warning functions • Rapid ascent warning • Extra measurement range warning • Abnormal measurement warning ● Rotating bezel Can measure elapsed time such...
Manual
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TIME/CALENDAR SETTING English Hour hand Minute hand A Date Small second hand Small hour and minute hands CROWN Unscrew. ▼ Pull out to first click and turn counterclockwise to set the date. ▼ Pull out to second click when small second hand is at the "0" position. ▼ Set hour and minute hands. ▼ A Press to set small hour and minute hands to the time set above. ▼ CROWN Push in in accordance with a time signal. ▼ Screw in completely. 9
TIME/CALENDAR SETTING English Hour hand Minute hand A Date Small second hand Small hour and minute hands CROWN Unscrew. ▼ Pull out to first click and turn counterclockwise to set the date. ▼ Pull out to second click when small second hand is at the "0" position. ▼ Set hour and minute hands. ▼ A Press to set small hour and minute hands to the time set above. ▼ CROWN Push in in accordance with a time signal. ▼ Screw in completely. 9
Manual
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... small second hand is at "0" position (Beep) ● If any of the dive before last (A long beep) Diving hands at the "0" position. ▼ B Press to reset the DIVING TIME hand to "0" position. ▼ C Press to reset the 1/10 m, DEPTH and MAX. English ADJUSTING THE HAND POSITION BEFORE DIVING B Press repeatedly until you hear a long beep. ● With each press of button B, the indication of the diving hands changes as follows: Log data...
... small second hand is at "0" position (Beep) ● If any of the dive before last (A long beep) Diving hands at the "0" position. ▼ B Press to reset the DIVING TIME hand to "0" position. ▼ C Press to reset the 1/10 m, DEPTH and MAX. English ADJUSTING THE HAND POSITION BEFORE DIVING B Press repeatedly until you hear a long beep. ● With each press of button B, the indication of the diving hands changes as follows: Log data...
Manual
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...; Diving time: Indicated by DIVING TIME hand up to 12 hours. (Ex. 17 minutes) ● Time submerged: Indicated by MAX. HOW TO READ THE MEASUREMENTS ● Current depth: Indicated by DEPTH and 1/10 m hands in 0.5 m increments from 1.6 m up to 55.0 m. (Ex. 12.5 m) ● Maximum depth: Indicated by small hands at the 6 o'clock position. English DIVING MEASUREMENT ● The watch measures the current depth, maximum depth, diving time and time submerged...
...; Diving time: Indicated by DIVING TIME hand up to 12 hours. (Ex. 17 minutes) ● Time submerged: Indicated by MAX. HOW TO READ THE MEASUREMENTS ● Current depth: Indicated by DEPTH and 1/10 m hands in 0.5 m increments from 1.6 m up to 55.0 m. (Ex. 12.5 m) ● Maximum depth: Indicated by small hands at the 6 o'clock position. English DIVING MEASUREMENT ● The watch measures the current depth, maximum depth, diving time and time submerged...
Manual
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... in "ADJUSTING THE HAND POSITION BEFORE DIVING". ● When you descend again to a depth of log data is added to the measured diving time. ● For 10 minutes after the depth measurement is stopped is made possible by pressing button B. If not, reset them following a dive, recall of 1.6 m or more than 3 m in 10 seconds, that the hands for about 10 seconds and 1/10 m hand moves...
... in "ADJUSTING THE HAND POSITION BEFORE DIVING". ● When you descend again to a depth of log data is added to the measured diving time. ● For 10 minutes after the depth measurement is stopped is made possible by pressing button B. If not, reset them following a dive, recall of 1.6 m or more than 3 m in 10 seconds, that the hands for about 10 seconds and 1/10 m hand moves...
Manual
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... stop the alarm manually: Press any of the buttons. ● To cancel the alarm: Press button B to ring once within the coming 12 hours. ● While on the surface, the small hands at the 6 o'clock position serve as alarm hands. * While you are at a depth of 1.6 m or more underwater and for 10 minutes after a dive, the single-time alarm function cannot be set to recall the log data...
... stop the alarm manually: Press any of the buttons. ● To cancel the alarm: Press button B to ring once within the coming 12 hours. ● While on the surface, the small hands at the 6 o'clock position serve as alarm hands. * While you are at a depth of 1.6 m or more underwater and for 10 minutes after a dive, the single-time alarm function cannot be set to recall the log data...
Manual
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... you contact an AUTHORIZED SEIKO SERVICE CENTER. ● If the temperature of the previous two dives is recalled properly. • all the hands are any malfunctions, do not use the watch for a long time), the watch may not measure the depth accurately. While the small second hand is left in direct sunlight for diving. In these cases, replace the battery with a new one -second intervals. • the...
... you contact an AUTHORIZED SEIKO SERVICE CENTER. ● If the temperature of the previous two dives is recalled properly. • all the hands are any malfunctions, do not use the watch for a long time), the watch may not measure the depth accurately. While the small second hand is left in direct sunlight for diving. In these cases, replace the battery with a new one -second intervals. • the...
Manual
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...log book, etc. If this occurs, unscrew the crown and pull it out to the first click to manually stop the measurement. * Measurement details are recorded as rocks. ● While you are at a depth of the stored data in endless depth measurement and buttons which no longer operate. Before diving, ... a new dive, the older of the two log data in memory will not ring so that the DEPTH hand moves properly. ● While you make a note of 1.6 m or more underwater, the alarm will be displayed even while the diver is on the aquatic environment where the watch is used, the beeping sound for ...
...log book, etc. If this occurs, unscrew the crown and pull it out to the first click to manually stop the measurement. * Measurement details are recorded as rocks. ● While you are at a depth of the stored data in endless depth measurement and buttons which no longer operate. Before diving, ... a new dive, the older of the two log data in memory will not ring so that the DEPTH hand moves properly. ● While you make a note of 1.6 m or more underwater, the alarm will be displayed even while the diver is on the aquatic environment where the watch is used, the beeping sound for ...
Manual
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... find the DEPTH hand indicating the 58-minute position while you are underwater, you are diving is 1.00 If the watch indicates 29.2 m, the actual depth is used in fresh water such as lakes, therefore, the displayed depth should either ascend to the surface immediately or, if you choose to remain underwater, not depend on diving information provided by 1.025...
... find the DEPTH hand indicating the 58-minute position while you are underwater, you are diving is 1.00 If the watch indicates 29.2 m, the actual depth is used in fresh water such as lakes, therefore, the displayed depth should either ascend to the surface immediately or, if you choose to remain underwater, not depend on diving information provided by 1.025...
Manual
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... USING THE WATCH TIME/CALENDAR SETTING ● Do not set . The watch is so designed that AM/PM is based on the time the small hands indicate. ● By pulling out the crown to set the time hands and the small hands at the same time. 23 and 1:00 a.m. Otherwise, the date may not change properly. ● Be sure to the second click, the time hands stop moving, and the small hour and minute hands indicate...
... USING THE WATCH TIME/CALENDAR SETTING ● Do not set . The watch is so designed that AM/PM is based on the time the small hands indicate. ● By pulling out the crown to set the time hands and the small hands at the same time. 23 and 1:00 a.m. Otherwise, the date may not change properly. ● Be sure to the second click, the time hands stop moving, and the small hour and minute hands indicate...
Manual
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... a dive using the watch starts measuring and then move back and forth but it is only recorded for checking purposes. ● If you start a dive without resetting the hands to "0" position, they automatically return to "0" position as the watch , log data of two dives is prerecorded in memory for up to 2 hours as the log data in memory. ● The DIVING TIME hand moves at 1/5-minute...
... a dive using the watch starts measuring and then move back and forth but it is only recorded for checking purposes. ● If you start a dive without resetting the hands to "0" position, they automatically return to "0" position as the watch , log data of two dives is prerecorded in memory for up to 2 hours as the log data in memory. ● The DIVING TIME hand moves at 1/5-minute...
Manual
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... DEPTH hand indicates the 58-minute position. • Time submerged and diving time measurements are already indicating the data just obtained. ● The time submerged is indicated in the 12-hour indication without showing AM/PM. ● The time submerged is retained in memory even if a time adjustment is made. ● The watch senses an abnormality in depth measurement during the dive and that the watch measures the diving time...
... DEPTH hand indicates the 58-minute position. • Time submerged and diving time measurements are already indicating the data just obtained. ● The time submerged is indicated in the 12-hour indication without showing AM/PM. ● The time submerged is retained in memory even if a time adjustment is made. ● The watch senses an abnormality in depth measurement during the dive and that the watch measures the diving time...
Manual
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... to reset the hands for diving measurement, check that the small hands at the 6 o'clock position indicate the current time. ● While you have set is engaged. English SINGLE-TIME ALARM ● When button B is pressed to indicate the time submerged and the alarm time you have set is also canceled automatically when the watch is used for 10 minutes after a dive, the single-time alarm function cannnot be used. ● The small hour and minute hands advance...
... to reset the hands for diving measurement, check that the small hands at the 6 o'clock position indicate the current time. ● While you have set is engaged. English SINGLE-TIME ALARM ● When button B is pressed to indicate the time submerged and the alarm time you have set is also canceled automatically when the watch is used for 10 minutes after a dive, the single-time alarm function cannnot be used. ● The small hour and minute hands advance...
Manual
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... a new one -second intervals. BATTERY CHANGE 2 Years The miniature battery which powers your possession may be less than the specified period. English BATTERY LIFE INDICATOR ● When the battery nears its end, the small second hand moves at two-second intervals instead of the normal one as soon as possible. * While the small second hand is moving at two-second intervals, the watch remains accurate but the alarm will stop operating...
... a new one -second intervals. BATTERY CHANGE 2 Years The miniature battery which powers your possession may be less than the specified period. English BATTERY LIFE INDICATOR ● When the battery nears its end, the small second hand moves at two-second intervals instead of the normal one as soon as possible. * While the small second hand is moving at two-second intervals, the watch remains accurate but the alarm will stop operating...
Manual
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... remove the battery from memory. The battery may burst, become very hot or catch fire. ● The battery is necessary to take out the battery, keep it to the battery. 28 Never attempt to you, and the checking may be made at the time of battery replacement. The gasket... safety's sake, the watch will also undergo a strict check at cost. * The battery life may be less than 2 years if the alarm is used more than 15 seconds a day, and/or the depth measurement function more than 50 times a year, one hour per dive. * When the battery is replaced with a new one if necessary. Therefore...
... remove the battery from memory. The battery may burst, become very hot or catch fire. ● The battery is necessary to take out the battery, keep it to the battery. 28 Never attempt to you, and the checking may be made at the time of battery replacement. The gasket... safety's sake, the watch will also undergo a strict check at cost. * The battery life may be less than 2 years if the alarm is used more than 15 seconds a day, and/or the depth measurement function more than 50 times a year, one hour per dive. * When the battery is replaced with a new one if necessary. Therefore...
Manual
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... the watch operates normally. * The log data stored in memory will be erased by following data will be out of order. Pull out Crown to recall the log data. English Necessary procedure after battery change ● When the battery is reset and then the watch was purchased or an AUTHORIZED SEIKO DEALER. 29 The IC is replaced with a new one or when the watch hands move...
... the watch operates normally. * The log data stored in memory will be erased by following data will be out of order. Pull out Crown to recall the log data. English Necessary procedure after battery change ● When the battery is reset and then the watch was purchased or an AUTHORIZED SEIKO DEALER. 29 The IC is replaced with a new one or when the watch hands move...
Manual
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... crystal oscillator 2 Loss/gain (monthly rate 3 Operational temperature range 4 Driving system 5 Display system TIME/CALENDAR display DEPTH MEASUREMENT display LOG DATA display ALARM display 32,768 Hz (Hz = Hertz ... Maximum depth by MAX. SPECIFICATIONS 1 Frequency of two dives. DEPTH hand (in 0.5 m increments) Diving time by DIVING TIME hand (in 1/5 minute increments) Time submerged by the small hour and minute hands at the 6 o'clock position • While disengaged : Current time • While engaged : Designated alarm time 31 English Cycles per second...
... crystal oscillator 2 Loss/gain (monthly rate 3 Operational temperature range 4 Driving system 5 Display system TIME/CALENDAR display DEPTH MEASUREMENT display LOG DATA display ALARM display 32,768 Hz (Hz = Hertz ... Maximum depth by MAX. SPECIFICATIONS 1 Frequency of two dives. DEPTH hand (in 0.5 m increments) Diving time by DIVING TIME hand (in 1/5 minute increments) Time submerged by the small hour and minute hands at the 6 o'clock position • While disengaged : Current time • While engaged : Designated alarm time 31 English Cycles per second...
Manual
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... change without prior notice for scuba diving. English 6 Battery 7 Battery life indicator 8 IC (Integrated Circuit 9 Accuracy of sensors Water depth 10 Magnetic resistance 11 Water resistance 12 Safety design Accuracy of the alarm: ± 1 minute Miniature lithium battery SEIKO CR2016, 1 piece Battery life: approx. 2 years When the battery life nears its end, the small second hand moves at a stable temperature [Influence of 200 m and is therefore suitable for product improvement. 32 The case, bracelet...
... change without prior notice for scuba diving. English 6 Battery 7 Battery life indicator 8 IC (Integrated Circuit 9 Accuracy of sensors Water depth 10 Magnetic resistance 11 Water resistance 12 Safety design Accuracy of the alarm: ± 1 minute Miniature lithium battery SEIKO CR2016, 1 piece Battery life: approx. 2 years When the battery life nears its end, the small second hand moves at a stable temperature [Influence of 200 m and is therefore suitable for product improvement. 32 The case, bracelet...