Seiko Cal. 3831 - 542

This Quartz model from 1968 features a 37mm Titanium case. It features a Cream dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-956642d5db7c]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1968

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