Seiko Cal. 6631 - 630

Seiko 6631-630

This Kinetic model from 1989 features a 36mm Gold-Plated case. Powered by the 6631 caliber with 25j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-4cb006b9726c]

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
15.5mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Silver
Jewels
25j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1989

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seikata-wm-4cb006b9726c