Seiko Cal. 6631 - 875

Seiko 6631-875

This Kinetic model from 1980 features a 40mm Two-Tone case. With its 20mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-699599ea0371]

Also known as: Shogun, Tuna

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
9.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Black
Jewels
33j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1980

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seikata-wm-699599ea0371