Seiko Cal. 3863 - 889

This Spring Drive model from 1971 features a 42mm Stainless Steel case. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-f5ab42966990]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1971

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