Seiko Cal. 3859 - 639

This Spring Drive model from 1991 features a 34mm Two-Tone case. Powered by the 3859 caliber with 19j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-42b0ed0bdc29]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1991

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