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You are now the proud owner of a SEIKO Automatic Diver’s Watch Cal. 7S26. For best results, please read the instructions in this booklet carefully before using your SEIKO Automatic Diver’s Watch. Please keep this manual handy for ready reference.
FEATURES ... HOW TO START THE WATCH ... TIME/CALENDAR SETTING ... ROTATING BEZEL ... PRECAUTIONS ... NOTES FOR USING THE WATCH ... TO PRESERVE THE QUALITY OF YOUR WATCH ... SPECIFICATIONS ... CONTENTS Page...
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SEIKO AUTOMATIC DIVER’S WATCH Cal. 7S26 Minute hand Hour hand Day and date Rotating bezel MON 15 Second hand Crown a: Screwed-in position b: Normal position c: First click d: Second click...
ROTATING BEZEL Elapsed time measurement during diving (up to 60 minutes) Your SEIKO Automatic Diver’s Watch uses promethium-147 as the active ingredient in the luminous paint. The use of radioactive materials such as promethium-147 is strictly regulated by Japanese Law and monitored by the Japanese Science and Technology Agency. SEIKO luminous watches, manufactured in accordance with the law, contain an approved amount of promethium-147 harmless to human beings.
This is an automatic mechanical watch. To initially start your watch: Swing it from side to side in a horizontal arc for about 30 seconds. * If the watch is worn on the wrist, the mainspring will be wound automatically through normal wrist movement.
TIME/CALENDAR SETTING Unlock the crown by turning it counterclockwise. Pull out the crown to the first click. MON 15 Set the previous Set the previous day’s date. day of the week.
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Pull out the crown to the second click. Turn the hands Set the hands until the desired to the desired date and day time. appears. MON 16 Push back the crown. Lock the crown by turning it clockwise while pressing it.
ROTATING BEZEL The rotating bezel can show up to 60 minutes of elapsed time. Turn the rotating bezel to align its “ ” mark with the minute hand. Read the number on the rotating bezel that the minute hand points Minute hand Elapsed time Start...
• the rotating bezel turns counterclockwise smoothly (the rotation must not be too loose or too tight) and the “ ” mark aligns with the minute hand. • the time and calendar are appropriately set. If there are any malfunctions, we recommend that you contact an AUTHORIZED SEIKO SERVICE CENTER.
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After checking that the crown is screwed in completely, rinse the watch in fresh water, and wash out all seawater, soil, sand, etc. After cleaning the watch in fresh water, be sure to wipe it thoroughly dry to prevent possible rust on the case.
NOTES FOR USING THE WATCH HOW TO START THE WATCH If the watch is used without being wound up sufficiently, gain or loss of the watch may result. To avoid this, wear the watch for more than 8 hours a day.
TO PRESERVE THE QUALITY OF YOUR WATCH Repair of diver’s watches requires special expertise and equipment. If you find that your diver’s watch is malfunctioning, therefore, never attempt to repair it but immediately send it to a nearby SEIKO Service Center.
* The specifications are subject to change without prior notice for product improvement. SHOCKS & VIBRATION Be careful not to drop If your watch has a protective film your watch or hit it and/or a sticker on the case back, against hard surfaces.