Seiko Cal. 6643 - 123

The 6643-123 is a sought-after Kinetic piece from Seiko's golden era. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ffc25dcb91e3]

Also known as: Tuna, Arnie

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1991

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