Seiko Cal. 5631 - 132

Seiko 5631-132

This Hand-Winding model from 1972 features a 37mm Gold-Plated case. Powered by the 5631 caliber with 29j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-e834d786bf21]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
9.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Silver
Jewels
29j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1972

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seikata-wm-e834d786bf21