Seiko Cal. 6647 - 791

The Seiko 6647-791 represents an important milestone in Seiko's 1994 lineup. Powered by the 6647 caliber with 28j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-dac22648221d]

Also known as: Crown, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1994

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