Seiko Cal. 6647 - 474

Released in 1969, the Cal. 6647 with design code 474 was part of Seiko's domestic market collection. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-83bf9ddad1a2]

Also known as: Bullhead, Rally

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1969

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