Seiko Cal. 6171 - 931

This Spring Drive model from 1970 features a 39mm Gold-Plated case. It features a Cream dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-7704c3ebe86d]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1970

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