Seiko Cal. 4428 - 718

This Automatic model from 1984 features a 34mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-05c239f004fc]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1984

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