Seiko Cal. 3888 - 635

This Automatic model from 1971 features a 43mm Stainless Steel case. It features a White dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-db6845d7d2f7]

Also known as: World Timer, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1971

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