Seiko Cal. 3871 - 878

This Hand-Winding model from 1974 features a 46mm PVD Black case. Powered by the 3871 caliber with 33j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-805f06805334]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1974

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