Seiko Cal. 3890 - 155

The Seiko 3890-155 represents an important milestone in Seiko's 1987 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-63f56b87d146]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1987

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