Seiko Cal. 6643 - 250

Seiko 6643-250

The 6643-250 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4e9a29d6d92a]

Also known as: Bullhead, Flighty

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
36mm
Case Thickness
9.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
White
Jewels
22j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1968

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