Seiko Cal. 4533 - 179

This Spring Drive model from 1975 features a 45mm Hardlex-Coated Steel case. With its 20mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-cbedbb75d493]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1975

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