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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