Seiko Cal. 6647 - 191

This Spring Drive model from 1965 features a 41mm PVD Black case. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ea2d25517ef2]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1965

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