Seiko Cal. 4528 - 535

This Spring Drive model from 1988 features a 36mm Titanium case. With its 18mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-fd3e37044228]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1988

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