Seiko Cal. 6641 - 983

The Seiko 6641-983 represents an important milestone in Seiko's 1966 lineup. Powered by the 6641 caliber with 17j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-4bc3b0e0a5ed]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1966

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