Seiko Cal. 4431 - 567

Seiko 4431-567

This Spring Drive model from 1983 features a 36mm Hardlex-Coated Steel case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-79342fad93d9]

Also known as: Monster, Helmet

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
8.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Burgundy
Jewels
29j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1983

Related Models

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