Seiko Cal. 6643 - 948

The Seiko 6643-948 represents an important milestone in Seiko's 1999 lineup. Powered by the 6643 caliber with 19j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-c08697b822c9]

Also known as: Monster, Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1999

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