Seiko Cal. 6388 - 955

This Quartz model from 1968 features a 37mm Stainless Steel case. With its 22mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-608d1bac1571]

Also known as: Sumo, Sea Horse

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1968

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