Seiko Cal. 3871 - 873

This Spring Drive model from 1972 features a 39mm Hardlex-Coated Steel case. It features a White dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-f20eb6f6dfec]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1972

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