Seiko Cal. 6681 - 639

Released in 1989, the Cal. 6681 with design code 639 was part of Seiko's domestic market collection. Powered by the 6681 caliber with 36j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-980d064eb7ef]

Also known as: Panda, UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1989

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