Seiko Cal. 4570 - 591

This Automatic model from 1977 features a 45mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-4b93dbb41f3f]

Also known as: Monster, Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1977

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