Seiko Cal. 3879 - 420

The Seiko 3879-420 represents an important milestone in Seiko's 1973 lineup. Powered by the 3879 caliber with 34j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-fe565c0bdbb1]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1973

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