Seiko Cal. 6370 - 131

This Automatic model from 1983 features a 40mm Hardlex-Coated Steel case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e1ebc7bad13e]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1983

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