Seiko Cal. 5231 - 850

This Automatic model from 1980 features a 43mm Hardlex-Coated Steel case. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-e2f571432317]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1980

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