Seiko Cal. 6634 - 444

This Automatic model from 1975 features a 39mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-13ec6e154fea]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1975

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