Seiko Cal. 3879 - 135

The Seiko 3879-135 represents an important milestone in Seiko's 1971 lineup. Powered by the 3879 caliber with 28j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-58a80edae7e4]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1971

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