Instruction

Seiko will gradually discontinue attaching paper instruction manuals to its products as part of a paperless operation starting February 2024.

Check the case back of your watch to find the caliber code inscribed on it, and read the instructions pertaining to your watch caliber code.

How to find the Caliber Code

On the Case Back
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In the Certificate of Guarantee
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Caliber Code Instruction
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4R39 Instruction of 4R39 (Automatic) : English