Seiko Cal. 6631 - 237

Seiko 6631-237

This Kinetic model from 1990 features a 36mm Gold-Plated case. Powered by the 6631 caliber with 29j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-b26c3ee9e638]

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
13.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
200m
Dial Color
Silver
Jewels
29j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1990

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seikata-wm-b26c3ee9e638