Instruction | Customer Service | Seiko Watch Corporation

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Select from the caliber code

Check the caliber code of your watch on the case back

Caliber Code	Instruction
S
S055	Instruction of S055 (Stopwatch) : English
S056	Instruction of S056 (Stopwatch) : English
S057	Instruction of S057 (Stopwatch) : English
S058	Instruction of S058 (Stopwatch) : English
S05A	Instruction of S05A (Stopwatch) : English
S064	Instruction of S064 application : English Instruction of S064 : English
S141	Instruction of S141 (Stopwatch) : English
S143	Instruction of S143 (Stopwatch) : English
S149	Instruction of S149 (Stopwatch) : English
S321	Instruction of S321 (Stopwatch) : English
S351	Instruction of S351 (Stopwatch) : English
S770	Instruction of S770 (EPD Solar) : English
S802	Instruction of S802 (Solar Digital Watch) : English