Seiko Cal. 6643 - 921

The Seiko 6643-921 represents an important milestone in Seiko's 1999 lineup. Powered by the 6643 caliber with 35j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-889f83f3a902]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1999

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