Seiko Cal. 3888 - 643

This Quartz model from 1967 features a 40mm Two-Tone case. It features a Cream dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-e41b7f28a9cd]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1967

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