Seiko Cal. 4531 - 574

This Spring Drive model from 1977 features a 37mm Gold-Plated case. With its 21mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-6fb455ad2f9a]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1977

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