Seiko Cal. 6643 - 123

Seiko 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

Related Models

seikata-wm-ffc25dcb91e3