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

Select Your Language

Select from the caliber code

Click the first digit of the caliber code

Caliber Code	Instruction
2
2A27	Instruction of 2A27 (Analog Quartz) : English
2R05	Instruction of 2R05 : English
2R06	Instruction of 2R06 : English