Seiko Cal. 3873 - 650

The 3873-650 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3873 caliber with 29j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-834f107558fd]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1981

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