Seiko Cal. 0725 - 431

This Hand-Winding model from 1980 features a 37mm Hardlex-Coated Steel case. With its 20mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-e22c22ab5c0a]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1980

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