Seiko Cal. 4573 - 401

This Hand-Winding model from 1967 features a 36mm Hardlex-Coated Steel case. With its 21mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-cd0dbb3e0a6c]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1967

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