Seiko Cal. 3872 - 991

The Seiko 3872-991 represents an important milestone in Seiko's 1984 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e59dec3183f0]

Also known as: UFO, Crown

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1984

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