Seiko Cal. 6658 - 579

This Spring Drive model from 1972 features a 39mm PVD Black case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-fcf7d026bbd5]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1972

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