Seiko Cal. 4561 - 573

This Hand-Winding model from 1973 features a 37mm Titanium case. With its 19mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-c607fa1f9989]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1973

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