Seiko Cal. 4539 - 557

This Automatic model from 1976 features a 41mm PVD Black case. It features a Cream dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-d95272785431]

Also known as: Monster, Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1976

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