Seiko Cal. 4439 - 570

This Hand-Winding model from 1972 features a 41mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-1da29f906d6d]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1972

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