Seiko Cal. 3879 - 515

The 3879-515 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3879 caliber with 25j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-310c2b461534]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1977

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