Seiko Cal. 4456 - 741

This Hand-Winding model from 1981 features a 41mm PVD Black case. With its 20mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-8172c8925bb4]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1981

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