Seiko Cal. 6643 - 698

Seiko 6643-698

The 6643-698 is a sought-after Kinetic piece from Seiko's golden era. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-376f477ffdd9]

Also known as: Sportsmatic

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
39mm
Case Thickness
10.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
120m
Dial Color
Black
Jewels
24j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1980

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