Seiko Cal. 6643 - 926

The Seiko 6643-926 represents an important milestone in Seiko's 1989 lineup. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-8888b5e792db]

Also known as: Bellmatic, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1989

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