Seiko Cal. 6647 - 817

Released in 1994, the Cal. 6647 with design code 817 was part of Seiko's domestic market collection. Powered by the 6647 caliber with 24j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-20ddae07dd24]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1994

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