Seiko Cal. 3863 - 252

This Spring Drive model from 1988 features a 40mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-32696edb02fb]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1988

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