Seiko Cal. 5631 - 961

Seiko 5631-961

This Quartz model from 1988 features a 34mm Hardlex-Coated Steel case. With its 19mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-57eb1d037f71]

Also known as: Bellmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
9.2mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Burgundy
Jewels
31j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1988

Related Models

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