Seiko Cal. 3873 - 920

The Seiko 3873-920 represents an important milestone in Seiko's 1987 lineup. Powered by the 3873 caliber with 17j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-4e0bb8dfd527]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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