Seiko Cal. 6647 - 356

This Hand-Winding model from 1972 features a 42mm PVD Black case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-907ab4aceea4]

Also known as: Shogun, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1972

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