Seiko Cal. 6639 - 102

Released in 1997, the Cal. 6639 with design code 102 was part of Seiko's domestic market collection. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-0bdb51af7057]

Also known as: Pogue, UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1997

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