Seiko Cal. 3881 - 847

The 3881-847 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3881 caliber with 29j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-413db5c9b0b6]

Also known as: Sumo, UFO

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1976

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