Seiko Cal. 5687 - 720

The Seiko 5687-720 represents an important milestone in Seiko's 1998 lineup. With its 19mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-aee2fed00ba5]

Also known as: UFO, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1998

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