Seiko Cal. 4543 - 942

This Spring Drive model from 1977 features a 36mm Titanium case. With its 19mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-40d752269532]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1977

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