Seiko Cal. 6643 - 481

The Seiko 6643-481 represents an important milestone in Seiko's 1994 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-f5388c91f2bb]

Also known as: Rally, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1994

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