Seiko Cal. 5631 - 904

Seiko 5631-904

This Quartz model from 1980 features a 43mm Titanium case. With its 22mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-a7b642188769]

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
43mm
Case Thickness
9.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
140m
Dial Color
Burgundy
Jewels
36j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1980

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seikata-wm-a7b642188769