Seiko Cal. 6647 - 432

This Hand-Winding model from 1969 features a 40mm PVD Black case. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-747c2d031553]

Also known as: Crown, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1969

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