Seiko Cal. 6690 - 143

Released in 1998, the Cal. 6690 with design code 143 was part of Seiko's domestic market collection. With its 19mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-ca9afb7f2812]

Also known as: UFO, Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1998

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