Seiko Cal. 3879 - 135

The 3879-135 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3879 caliber with 18j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-9cda1b2dbd19]

Also known as: UFO, Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1966

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