Seiko Cal. 3865 - 120

The Seiko 3865-120 represents an important milestone in Seiko's 1986 lineup. Powered by the 3865 caliber with 24j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-20816d592ff5]

Also known as: Samurai, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1986

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