Seiko Cal. 4430 - 144

This Spring Drive model from 1989 features a 45mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-4ef26c5eeb72]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1989

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