Seiko Cal. 7171 - 831

This Spring Drive model from 1967 features a 36mm Hardlex-Coated Steel case. It features a Cream dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-a9648239787c]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1967

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