Seiko Cal. 3856 - 635

The Seiko 3856-635 represents an important milestone in Seiko's 1970 lineup. Powered by the 3856 caliber with 20j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-970b780bea00]

Also known as: Samurai

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1970

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