Seiko Cal. 4475 - 839

The Seiko 4475-839 represents an important milestone in Seiko's 1976 lineup. Powered by the 4475 caliber with 26j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-0fe8bbbcc732]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1976

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