Seiko Cal. 6231 - 146

This Solar model from 1976 features a 44mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-3a23c260bbe0]

Also known as: Monster, World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1976

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