Seiko Cal. 6639 - 823

The Seiko 6639-823 represents an important milestone in Seiko's 1997 lineup. With its 18mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-b5484f447385]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1997

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