Seiko Cal. 6631 - 769

Seiko 6631-769

This Kinetic model from 1975 features a 43mm Hardlex-Coated Steel case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-413c7f5be732]

Also known as: Goldfeather, Bellmatic

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
8.6mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
170m
Dial Color
White
Jewels
36j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1975

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seikata-wm-413c7f5be732