Manual
Page 3
First of all instructions for the use and maintenance of the watch set forth in this watch . 3 ENEnGgLliIsShH CAUTION The SEIKO SCUBA DIVER'S Cal. 7K52 is intended for 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 0... observe strictly all , this booklet. Therefore, it is absolutely essential that you can neither fully appreciate the concept of nodecompression limits nor properly employ the watch is for use in an inherently hazardous form of recreation.
First of all instructions for the use and maintenance of the watch set forth in this watch . 3 ENEnGgLliIsShH CAUTION The SEIKO SCUBA DIVER'S Cal. 7K52 is intended for 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 0... observe strictly all , this booklet. Therefore, it is absolutely essential that you can neither fully appreciate the concept of nodecompression limits nor properly employ the watch is for use in an inherently hazardous form of recreation.
Manual
Page 4
...as general guidelines only, and individual reactions will differ from person to person. 4 English DO NOT ATTEMPT TO DIVE USING THE WATCH UNLESS YOU HAVE BEEN PROPERLY TRAINED IN SCUBA DIVING, POSSESS THE REQUISITE EXPERIENCE AND SKILL TO DIVE SAFELY, HAVE THOROUGHLY FAMILIARIZED ...YOURSELF WITH THE OPERATION AND MAINTENANCE OF THE WATCH, AND HAVE TESTED ALL WATCH FUNCTIONS PRIOR TO EACH DIVE. In addition, sharp fluctuations in atmospheric pressure and aquatic environments may affect the performance...
...as general guidelines only, and individual reactions will differ from person to person. 4 English DO NOT ATTEMPT TO DIVE USING THE WATCH UNLESS YOU HAVE BEEN PROPERLY TRAINED IN SCUBA DIVING, POSSESS THE REQUISITE EXPERIENCE AND SKILL TO DIVE SAFELY, HAVE THOROUGHLY FAMILIARIZED ...YOURSELF WITH THE OPERATION AND MAINTENANCE OF THE WATCH, AND HAVE TESTED ALL WATCH FUNCTIONS PRIOR TO EACH DIVE. In addition, sharp fluctuations in atmospheric pressure and aquatic environments may affect the performance...
Manual
Page 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
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
Page 8
WARNING ● While you are underwater, never unscrew the crown or pull it . Otherwise, the depth measurement is measuring the depth and for 10 minutes after diving. English HOW TO USE THE SCREW LOCK TYPE CROWN ● To unscrew the crown: Turn it counterclockwise. ● To screw in the crown: With the crown at normal position, turn it clockwise while pressing it out. ● Do not pull out the crown to the first click while the watch is stopped, and false data will be recorded in memory as log data. 8
WARNING ● While you are underwater, never unscrew the crown or pull it . Otherwise, the depth measurement is measuring the depth and for 10 minutes after diving. English HOW TO USE THE SCREW LOCK TYPE CROWN ● To unscrew the crown: Turn it counterclockwise. ● To screw in the crown: With the crown at normal position, turn it clockwise while pressing it out. ● Do not pull out the crown to the first click while the watch is stopped, and false data will be recorded in memory as log data. 8
Manual
Page 11
... 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, and indicates them with the four hands for diving measurement and the small hands...
... 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, and indicates them with the four hands for diving measurement and the small hands...
Manual
Page 14
... about 10 seconds and 1/10 m hand moves back and forth. If not, reset them following a dive, recall of more than 1.6 m underwater and the watch monitors the change of depth at a rate of log data is added to "0" position. WARNING FUNCTION FOR DIVING RAPID ASCENT WARNING ● The... watch stops measuring the depth, the DEPTH and 1/10 m hands indicate "0.0 m". ● If you descend again to a depth of 1.6 m or more than 3 m in "ADJUSTING ...
... about 10 seconds and 1/10 m hand moves back and forth. If not, reset them following a dive, recall of more than 1.6 m underwater and the watch monitors the change of depth at a rate of log data is added to "0" position. WARNING FUNCTION FOR DIVING RAPID ASCENT WARNING ● The... watch stops measuring the depth, the DEPTH and 1/10 m hands indicate "0.0 m". ● If you descend again to a depth of 1.6 m or more than 3 m in "ADJUSTING ...
Manual
Page 15
... MEASUREMENT RANGE WARNING (LIMIT) ● If the measured depth exceeds 55.0 m, the DEPTH and MAX. "LIMIT" position ABNORMAL MEASUREMENT / MEASUREMENT HALT WARNING ● If the watch senses an abnormality in depth measurement, the diving measurement is beyond the specified criterion. Please note that the warning serves only as a guideline for your...
... MEASUREMENT RANGE WARNING (LIMIT) ● If the measured depth exceeds 55.0 m, the DEPTH and MAX. "LIMIT" position ABNORMAL MEASUREMENT / MEASUREMENT HALT WARNING ● If the watch senses an abnormality in depth measurement, the diving measurement is beyond the specified criterion. Please note that the warning serves only as a guideline for your...
Manual
Page 16
DEPTH hand points to use the watch for diving measurement. 16 CAUTION If the watch gives the above warning, do not continue to 0 m. English The DEPTH hand points to the 58-minute position and the MAX.
DEPTH hand points to use the watch for diving measurement. 16 CAUTION If the watch gives the above warning, do not continue to 0 m. English The DEPTH hand points to the 58-minute position and the MAX.
Manual
Page 17
... B Average depth Maximum depth * If the single-time alarm has been engaged, it is canceled by pressing button B. English RECALL OF LOG DATA ● The watch retains data for two dives, namely, time submerged, diving time, maximum depth and average depth. * Log data cannot be recalled while diving and for 10...
... B Average depth Maximum depth * If the single-time alarm has been engaged, it is canceled by pressing button B. English RECALL OF LOG DATA ● The watch retains data for two dives, namely, time submerged, diving time, maximum depth and average depth. * Log data cannot be recalled while diving and for 10...
Manual
Page 20
...at one . (See "BATTERY LIFE INDICATOR") If there are any malfunctions, do not use the watch for diving. English PRECAUTIONS FOR DIVING BEFORE DIVING ● Check that you contact an AUTHORIZED SEIKO SERVICE CENTER. ● If the temperature of the previous two dives is recalled properly. •... all the hands are reset to dive. 20 ● If the watch is used in water for approximately 5 minutes before starting to ...
...at one . (See "BATTERY LIFE INDICATOR") If there are any malfunctions, do not use the watch for diving. English PRECAUTIONS FOR DIVING BEFORE DIVING ● Check that you contact an AUTHORIZED SEIKO SERVICE CENTER. ● If the temperature of the previous two dives is recalled properly. •... all the hands are reset to dive. 20 ● If the watch is used in water for approximately 5 minutes before starting to ...
Manual
Page 21
...unscrew the crown or pull it out. ● Check that it will be displayed even while the diver is on the aquatic environment where the watch is used, the beeping sound for the rapid ascent warning. ● The depth measurement is made every second except while the DEPTH hand is... operational temperature range for depth measurement (0° C ~ 40° C or 32° F ~ 104° F). ● Take care not to hit the watch stops the warning momentarily to indicate the depth and then resumes the warning. ● Depending on the surface, resulting in endless depth measurement and buttons ...
...unscrew the crown or pull it out. ● Check that it will be displayed even while the diver is on the aquatic environment where the watch is used, the beeping sound for the rapid ascent warning. ● The depth measurement is made every second except while the DEPTH hand is... operational temperature range for depth measurement (0° C ~ 40° C or 32° F ~ 104° F). ● Take care not to hit the watch stops the warning momentarily to indicate the depth and then resumes the warning. ● Depending on the surface, resulting in endless depth measurement and buttons ...
Manual
Page 22
... of the lake where you are diving is 1.00 If the watch indicates 29.2 m, the actual depth is used in fresh water such as this may not reach your watch to the retailer from whom the watch was purchased or an AUTHORIZED SEIKO DEALER or SERVICE CENTER. ● Be careful not to expose the... watch to rinse the watch in fresh water, and wash out all seawater, soil, sand, etc. English...
... of the lake where you are diving is 1.00 If the watch indicates 29.2 m, the actual depth is used in fresh water such as this may not reach your watch to the retailer from whom the watch was purchased or an AUTHORIZED SEIKO DEALER or SERVICE CENTER. ● Be careful not to expose the... watch to rinse the watch in fresh water, and wash out all seawater, soil, sand, etc. English...
Manual
Page 23
... data is hidden behind it is correctly set. Otherwise, the date may not change properly. ● Be sure to set the date between 9:00 p.m. The watch is so designed that AM/PM is completely hidden. ● Do not press buttons B and C at the end of February and 30-day months. and... m hand advances by 1/4 of button C required to reset the 1/10 m hand to adjust the date at the same time. 23 English NOTES ON USING THE WATCH TIME/CALENDAR SETTING ● Do not set the time hands and the small hands at the 6 o'clock position accurately to the second click, the time...
... data is hidden behind it is correctly set. Otherwise, the date may not change properly. ● Be sure to set the date between 9:00 p.m. The watch is so designed that AM/PM is completely hidden. ● Do not press buttons B and C at the end of February and 30-day months. and... m hand advances by 1/4 of button C required to reset the 1/10 m hand to adjust the date at the same time. 23 English NOTES ON USING THE WATCH TIME/CALENDAR SETTING ● Do not set the time hands and the small hands at the 6 o'clock position accurately to the second click, the time...
Manual
Page 24
... for checking purposes. ● If you start a dive without resetting the hands to "0" position, they automatically return to "0" position as the watch starts measuring and then move to indicate the depth and diving time. English DIVING MEASUREMENT How to read the measurements ● The time submerged is... if you cannot check the current depth all this while, so therefore be as a warning. However, you have never made a dive using the watch, log data of more underwater, and the diving time measurement starts at the same time. Extra measurement range warning ● If a depth of ...
... for checking purposes. ● If you start a dive without resetting the hands to "0" position, they automatically return to "0" position as the watch starts measuring and then move to indicate the depth and diving time. English DIVING MEASUREMENT How to read the measurements ● The time submerged is... if you cannot check the current depth all this while, so therefore be as a warning. However, you have never made a dive using the watch, log data of more underwater, and the diving time measurement starts at the same time. Extra measurement range warning ● If a depth of ...
Manual
Page 25
...and the recorded data should not be considered reliable. Abnormal measurement / measurement halt warning ● If the watch senses an abnormality in depth measurement during the dive and that the watch senses an abnormality while measuring the depth, the log data recorded in recalling the log data, up to... indication without showing AM/PM. ● The time submerged is retained in memory even if a time adjustment is made. ● The watch measures the diving time for the first time when 10 minutes have elapsed after diving, the data newly recorded is measured during the dive. ...
...and the recorded data should not be considered reliable. Abnormal measurement / measurement halt warning ● If the watch senses an abnormality in depth measurement during the dive and that the watch senses an abnormality while measuring the depth, the log data recorded in recalling the log data, up to... indication without showing AM/PM. ● The time submerged is retained in memory even if a time adjustment is made. ● The watch measures the diving time for the first time when 10 minutes have elapsed after diving, the data newly recorded is measured during the dive. ...
Manual
Page 26
... time submerged and the alarm time you have set is automatically canceled. ● The alarm time you have set is also canceled automatically when the watch is used . ● The small hour and minute hands advance quickly if button A is kept pressed. ● Do not recall the log data while the...
... time submerged and the alarm time you have set is automatically canceled. ● The alarm time you have set is also canceled automatically when the watch is used . ● The small hour and minute hands advance quickly if button A is kept pressed. ● Do not recall the log data while the...
Manual
Page 27
In that you contact an AUTHORIZED SEIKO DEALER and request SEIKO CR2016 battery. 27 BATTERY CHANGE 2 Years The miniature battery which powers your possession may be sure to replace it as soon as the watch does not measure the depth. ● When the battery nears its actual life once in 2 ... period. English BATTERY LIFE INDICATOR ● When the battery nears its end, the small second hand moves at two-second intervals instead of the watch, its end, the DEPTH hand indicates the 58-minute position when button B is pressed to reset the hands for diving, as possible to 3...
In that you contact an AUTHORIZED SEIKO DEALER and request SEIKO CR2016 battery. 27 BATTERY CHANGE 2 Years The miniature battery which powers your possession may be sure to replace it as soon as the watch does not measure the depth. ● When the battery nears its actual life once in 2 ... period. English BATTERY LIFE INDICATOR ● When the battery nears its end, the small second hand moves at two-second intervals instead of the watch, its end, the DEPTH hand indicates the 58-minute position when button B is pressed to reset the hands for diving, as possible to 3...
Manual
Page 28
...recharge it, as this may burst, become very hot or catch fire. ● The battery is not rechargeable. The gasket will be erased from the watch will be checked. Therefore, it will take out the battery, keep it out of the reach of battery replacement. WARNING ● Do not remove ...the battery from memory. In addition to battery replacement, water resistant quality of the watch is returned to you, and the checking may be made at the time of children. The battery may cause battery leakage or damage to the...
...recharge it, as this may burst, become very hot or catch fire. ● The battery is not rechargeable. The gasket will be erased from the watch will be checked. Therefore, it will take out the battery, keep it out of the reach of battery replacement. WARNING ● Do not remove ...the battery from memory. In addition to battery replacement, water resistant quality of the watch is returned to you, and the checking may be made at the time of children. The battery may cause battery leakage or damage to the...
Manual
Page 29
...the procedure below . The IC is replaced with a new one or when the watch may be out of order. Diving time Maximum depth Average depth Time submerged DATA 1... Time of DATA 1 plus 6 hours * If the above data are not properly indicated, the watch hands move improperly, follow the procedure below . English Necessary procedure after battery change ● When the battery is reset ... stored in memory will be erased by following data will be displayed. Contact the retailer from whom the watch : ● Set the time and date. ● Press button B to the second click and press...
...the procedure below . The IC is replaced with a new one or when the watch may be out of order. Diving time Maximum depth Average depth Time submerged DATA 1... Time of DATA 1 plus 6 hours * If the above data are not properly indicated, the watch hands move improperly, follow the procedure below . English Necessary procedure after battery change ● When the battery is reset ... stored in memory will be erased by following data will be displayed. Contact the retailer from whom the watch : ● Set the time and date. ● Press button B to the second click and press...