Seiko Cal. 3879 - 566

The Seiko 3879-566 represents an important milestone in Seiko's 1982 lineup. Powered by the 3879 caliber with 17j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-cfcd83dde830]

Also known as: Sumo, Goldfeather

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1982

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