Seiko Cal. 3869 - 183

The Seiko 3869-183 represents an important milestone in Seiko's 1966 lineup. Powered by the 3869 caliber with 20j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-12b04a8a8195]

Also known as: Sumo, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1966

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