Seiko Cal. 6687 - 991

The Seiko 6687-991 represents an important milestone in Seiko's 1985 lineup. With its 22mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-fb3ff895be18]

Also known as: Rally, Arnie

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1985

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