Seiko Cal. 6331 - 983

This Solar model from 1968 features a 42mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-5892ad3ed249]

Also known as: Monster, World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1968

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