Seiko Cal. 4539 - 641

This Spring Drive model from 1972 features a 43mm PVD Black case. With its 22mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-60477a53c224]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1972

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