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
image
Select from the caliber code
All
Click the first digit of the caliber code
Bracelete
Outro
Caliber Code Instruction
8
8A50 Instruction of 8A50 : Portuguese
8B92 Instruction of 8B92 : Portuguese
8F32 Instruction of 8F32 (Analog Quartz) : Portuguese
8F33 Instruction of 8F33 (Analog Quartz) : Portuguese
8F35 Instruction of 8F35 (Analog Quartz) : Portuguese
8F56 Instruction of 8F56 (Analog Quartz) : Portuguese
8L35 Instruction of 8L35 (Diver’s watch for air diving) : Portuguese
Instruction of 8L35 (Diver’s watch for saturation diving) : Portuguese
Instruction of 8L35 : Portuguese
8L45 Instruction of 8L45 : Portuguese
Instruction of 8L45 (Diver’s watch for saturation diving) : Portuguese
Instruction of How to use an adjustable three-fold clasp (Pointed tip diving type) : Portuguese
8L55 Instruction of 8L55 (Diver’s watch for air diving) : Portuguese
Instruction of 8L55 (Diver’s watch for saturation diving) : Portuguese
8R28 Instruction of 8R28 (Automatic Chronograph) : Portuguese
8R39 Instruction of 8R39 (Automatic Divers) : Portuguese
8R46 Instruction of 8R46 : Portuguese
8R48 Instruction of 8R48 (Automatic Chronograph) : Portuguese
Instruction of How to use tachymeter (With Scales Over One Minute) : Portuguese
8T63 Instruction of 8T63 (Analog Quartz) : Portuguese
8T67 Instruction of 8T67 (Analog Quartz) : Portuguese
8T68 Instruction of 8T68 (Analog Quartz) : Portuguese
8X22 Instruction of 8X22 (GPS Solar) Complete User Guide for Astron: Portuguese
Instruction of 8X22 (GPS Solar) Complete User Guide (JSY8X22A): Portuguese
Instruction of 8X22 (GPS Solar) Handy Manual for Astron: Portuguese
8X42 Instruction of 8X42 (GPS Solar) Complete User Guide for Astron: Portuguese
8X53 Instruction of 8X53 (GPS Solar) Complete User Guide for Astron: Portuguese
Instruction of 8X53 (GPS Solar) Complete User Guide for Prospex: Portuguese
Instruction of 8X53 (GPS Solar) Handy Manual for Astron: Portuguese
8X82 Instruction of 8X82 (GPS Solar) Complete User Guide for Astron: Portuguese
Instruction of 8X82 (GPS Solar) Handy Manual for Astron: Portuguese