Seiko Cal. 6638 - 992

This Hand-Winding model from 1983 features a 37mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-0a6ae3a23c41]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1983

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