Seiko Cal. 6340 - 493

This Hand-Winding model from 1978 features a 37mm Stainless Steel case. It features a Cream dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-b21b6d142c3c]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1978

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