Manufacturer Seiko Caliber Number 5R65 In-House? Yes Movement Type Spring Drive (automatic, self-winding mechanical/electronic hybrid) Chronometer Spec? Yes Diameter 30mm...
5R65
Manufacturer Seiko Caliber Number 5R66 Base Caliber 5R65 In-House? Yes Movement Type Spring Drive (automatic, self-winding mechanical/electronic hybrid) Watch Category...
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