Seiko Cal. 3859 - 847

The Seiko 3859-847 represents an important milestone in Seiko's 1978 lineup. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-8a8ae50f9d86]

Also known as: Sumo, Pogue

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1978

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