Seiko Cal. 6231 - 623

This Hand-Winding model from 1981 features a 39mm Hardlex-Coated Steel case. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-a68371cc5371]

Also known as: Shogun, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1981

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