Seiko Cal. 6690 - 278

The Seiko 6690-278 represents an important milestone in Seiko's 1990 lineup. Powered by the 6690 caliber with 27j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-127c6c9d6891]

Also known as: UFO, Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1990

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