Seiko Cal. 6388 - 428

This Quartz model from 1977 features a 34mm Stainless Steel case. It features a Cream dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-20f6ce48bfb9]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1977

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