Seiko Cal. 6378 - 233

This Hand-Winding model from 1971 features a 35mm PVD Black case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-2e313c991cae]

Also known as: Samurai, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1971

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