Seiko Cal. 4551 - 640

This Quartz model from 1973 features a 44mm Titanium case. It features a White dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-80a09a6c06b7]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1973

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