Seiko Cal. 3873 - 583

The 3873-583 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3873 caliber with 35j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-3203e590c428]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1973

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