Seiko Cal. 6398 - 994

This Hand-Winding model from 1971 features a 37mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-6ef42390bab0]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1971

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