Seiko Cal. 6317 - 828

This Spring Drive model from 1978 features a 37mm Hardlex-Coated Steel case. It features a Cream dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-1f0a947e01b2]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1978

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