Seiko Cal. 5281 - 687

The Seiko 5281-687 represents an important milestone in Seiko's 1983 lineup. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-efefb7763d07]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1983

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