Seiko Cal. 3899 - 772

The 3899-772 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3899 caliber with 26j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-0ebc77504c68]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1979

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