Seiko Cal. 3890 - 165

Released in 1981, the Cal. 3890 with design code 165 was part of Seiko's domestic market collection. Powered by the 3890 caliber with 31j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-cfdaeede33cf]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1981

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