Seiko Cal. 3888 - 340

This Quartz model from 1978 features a 34mm Hardlex-Coated Steel case. With its 19mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-5ffa9eb463e5]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1978

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