Seiko Cal. 3879 - 515

Seiko 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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seikata-wm-310c2b461534