Seiko Cal. 6689 - 139

The Seiko 6689-139 represents an important milestone in Seiko's 1986 lineup. With its 20mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-ff2aa9ef830e]

Also known as: Bellmatic, Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1986

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