Seiko Cal. 6331 - 551

Seiko 6331-551

This Quartz model from 1978 features a 44mm Hardlex-Coated Steel case. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-6fbc6609c523]

Also known as: Monster, Navigator

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
180m
Dial Color
Burgundy
Jewels
24j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1978

Related Models

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