Seiko Cal. 4528 - 975

This Spring Drive model from 1973 features a 40mm Gold-Plated case. With its 22mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-c0bb4488c883]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1973

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