Seiko Cal. 6643 - 323

The 6643-323 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6643 caliber with 29j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-21212b3917d2]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1969

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