Seiko Cal. 6380 - 141

This Spring Drive model from 1971 features a 34mm PVD Black case. It features a Green dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-a6517a7b2134]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1971

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