Seiko Cal. 3859 - 165

This Spring Drive model from 1987 features a 44mm Hardlex-Coated Steel case. Powered by the 3859 caliber with 26j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-86cf123d1e6a]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1987

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