Seiko Cal. 3871 - 833

The 3871-833 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3871 caliber with 28j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-526ab8f2d2e8]

Also known as: Helmet, Crown

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1968

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