Seiko Cal. 5631 - 511

Seiko 5631-511

This Quartz model from 1976 features a 41mm Hardlex-Coated Steel case. With its 20mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-7f7a9765f542]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
15.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Silver
Jewels
21j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1976

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seikata-wm-7f7a9765f542