Seiko Cal. 6690 - 272

The Seiko 6690-272 represents an important milestone in Seiko's 1977 lineup. With its 22mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-a05a9e500202]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1977

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