Seiko Cal. 5630 - 903

Seiko 5630-903

This Hand-Winding model from 1997 features a 37mm PVD Black case. Powered by the 5630 caliber with 26j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-17c967f749de]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
37mm
Case Thickness
8.3mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Black
Jewels
26j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1997

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seikata-wm-17c967f749de