Seiko Cal. 4578 - 399

This Automatic model from 1972 features a 40mm Gold-Plated case. With its 20mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-88346c1dd0ae]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1972

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