Seiko Cal. 3817 - 687

The Seiko 3817-687 represents an important milestone in Seiko's 1995 lineup. Powered by the 3817 caliber with 27j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-21063835c97c]

Also known as: UFO, Rally

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1995

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