Seiko Cal. 6639 - 517

Released in 1987, the Cal. 6639 with design code 517 was part of Seiko's domestic market collection. Powered by the 6639 caliber with 32j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-f249724a20ef]

Also known as: Panda, UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1987

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