Seiko Cal. 5687 - 711

The Seiko 5687-711 represents an important milestone in Seiko's 1989 lineup. Powered by the 5687 caliber with 27j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-6b83034fb4e0]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1989

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