Seiko Cal. 4551 - 781

This Automatic model from 1981 features a 35mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-9cee1c84596a]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

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