Seiko Cal. 4581 - 943

This Hand-Winding model from 1999 features a 37mm Hardlex-Coated Steel case. With its 20mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-fcabaa0de52c]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1999

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