Seiko Cal. 6380 - 775

This Hand-Winding model from 1979 features a 44mm Gold-Plated case. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-41d7c8fa8eb6]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1979

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