Seiko Cal. 4438 - 567

This Automatic model from 1974 features a 37mm Stainless Steel case. It features a Navy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-97620d08e9b0]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1974

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