Seiko Cal. 3865 - 559

The Seiko 3865-559 represents an important milestone in Seiko's 1966 lineup. Powered by the 3865 caliber with 17j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-5068f539fdb1]

Also known as: UFO, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1966

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