Seiko Cal. 6641 - 427

The Seiko 6641-427 represents an important milestone in Seiko's 1994 lineup. Powered by the 6641 caliber with 30j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-096d9591f086]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1994

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