Seiko Cal. 4451 - 144

This Spring Drive model from 1991 features a 41mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-832c535c9aba]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1991

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