Seiko Cal. 3870 - 443

The 3870-443 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3870 caliber with 26j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-38727b60a833]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1978

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