Seiko Cal. 5687 - 834

The Seiko 5687-834 represents an important milestone in Seiko's 1989 lineup. With its 18mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-3db97f97e360]

Also known as: Helmet, Navigator

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1989

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