Manual
Page 19
...When the battery expires, be less than the specified period. 19 For battery replacement, we recommend that you contact an AUTHORIZED SEIKO DEALER and request SEIKO CR1612 (Cal. 4F56) / SEIKO CR2412 (Cal. 8F56) battery. * If the watch is left in temperatures outside the normal temperature range (5° C ~ 35° ... less than the specified period. Please refer to your watch should last approximately 5 years (Cal. 4F56) / 10 years (Cal. 8F56). English The leap second correction is effected between 11:59'59" p.m. When this happens, please adjust your newspaper for a long time...
...When the battery expires, be less than the specified period. 19 For battery replacement, we recommend that you contact an AUTHORIZED SEIKO DEALER and request SEIKO CR1612 (Cal. 4F56) / SEIKO CR2412 (Cal. 8F56) battery. * If the watch is left in temperatures outside the normal temperature range (5° C ~ 35° ... less than the specified period. Please refer to your watch should last approximately 5 years (Cal. 4F56) / 10 years (Cal. 8F56). English The leap second correction is effected between 11:59'59" p.m. When this happens, please adjust your newspaper for a long time...
Manual
Page 22
... system Time Hour, minute, second and 24-hour hands (Some models do not have a 24-hour hand) Date Displayed in numerals. 6 Battery SEIKO CR1612, 1 piece (Cal. 4F56) SEIKO CR2412, 1 piece (Cal. 8F56) 7 Battery life indicator 8 IC (Integrated Circuit C-MOS-LSI, 1 piece 9 Magnetic resistance 4,800 A/m (60 gauss) * The specifications are subject to approximately 4 seconds...
... system Time Hour, minute, second and 24-hour hands (Some models do not have a 24-hour hand) Date Displayed in numerals. 6 Battery SEIKO CR1612, 1 piece (Cal. 4F56) SEIKO CR2412, 1 piece (Cal. 8F56) 7 Battery life indicator 8 IC (Integrated Circuit C-MOS-LSI, 1 piece 9 Magnetic resistance 4,800 A/m (60 gauss) * The specifications are subject to approximately 4 seconds...