Seiko Cal. 3873 - 810

The Seiko 3873-810 represents an important milestone in Seiko's 1978 lineup. Powered by the 3873 caliber with 35j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-5b58dc1104be]

Also known as: Sportsmatic, Crown

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1978

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