Seiko Cal. 6643 - 682

The Seiko 6643-682 represents an important milestone in Seiko's 1999 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-ae1aae76124a]

Also known as: Bellmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1999

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