Seiko Cal. 3897 - 643

This Kinetic model from 1988 features a 46mm Gold-Plated case. Powered by the 3897 caliber with 31j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-37787f4ebabe]

Also known as: UFO, Navigator

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1988

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