Seiko Cal. 6643 - 101

The 6643-101 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6643 caliber with 30j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-bfcdfbaa4eb2]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1992

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