Seiko Cal. 3897 - 954

This Spring Drive model from 1983 features a 39mm Stainless Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-9764e83e0be0]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1983

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