Seiko Cal. 3870 - 843

The Seiko 3870-843 represents an important milestone in Seiko's 1979 lineup. With its 22mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-0484a515379e]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1979

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