Seiko Cal. 4512 - 550

This Quartz model from 1975 features a 37mm Gold-Plated case. With its 19mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-49e96d938129]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1975

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