Seiko Cal. 5631 - 146

Seiko 5631-146

This Hand-Winding model from 1997 features a 43mm Hardlex-Coated Steel case. Powered by the 5631 caliber with 27j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-3ec883573ae5]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
15.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1997

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seikata-wm-3ec883573ae5