Seiko Cal. 3879 - 807

The 3879-807 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-04db586fbd79]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1975

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