Seiko Cal. 3879 - 785

The 3879-785 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3879 caliber with 18j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-7efe4c78be63]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1976

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