Seiko Cal. 3873 - 345

The Seiko 3873-345 represents an important milestone in Seiko's 1972 lineup. Powered by the 3873 caliber with 33j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-0bd24e5b8887]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1972

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