Seiko Cal. 3879 - 375

The 3879-375 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3879 caliber with 24j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-083a16b0ab7f]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1974

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