Seiko Cal. 6639 - 707

This Automatic model from 1967 features a 44mm PVD Black case. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-394a9dc735cd]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1967

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