Seiko Cal. 4571 - 112

This Spring Drive model from 1978 features a 39mm Gold-Plated case. It features a Champagne dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-4bad8b9f2911]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

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