Seiko Cal. 4536 - 571

This Spring Drive model from 1993 features a 40mm Gold-Plated case. With its 21mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-a9bc03af1ad1]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1993

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