Seiko Cal. 4430 - 587

This Hand-Winding model from 1989 features a 46mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-83f35e6c8639]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1989

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