Seiko 7S25 Movement Details

Seiko caliber 7S25 is an automatic watch movement produced in the 2000s.

Sub-brands: Prospex
Power reserve:41 hours
Accuracy:+35/-25 seconds/day
Day / date?Date only
GMT / world time?No
Chronograph?No
Hacking?No
Rate:21,600 bph
Number of jewels:21
Lift angle:53º
Size / diameter:27.0mm
Height:4.9mm
Stem code: 351260 (tap 10), 351261 (tap 10)
Balance wheel code: 310020, 310197
Mainspring code: 201024, 201075, 201083
Notes:The same as cal. 7S26 but without day display (date only).
PDF guides: Technical guide for 7S25A, 7S35A & 7S55A
Technical guide for 7S25C & 7S35C
Related movements: 7S26 7S35 7S36 7S55

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