Seiko Cal. 6647 - 646

This Spring Drive model from 1973 features a 46mm PVD Black case. It features a Burgundy dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-b50b858c60bc]

Also known as: Shogun, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1973

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