Seiko Cal. 4440 - 922

This Hand-Winding model from 1985 features a 38mm Hardlex-Coated Steel case. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-84a2779294b0]

Also known as: Sumo, Shogun

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1985

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