Seiko Cal. 3890 - 666

Seiko 3890-666

The 3890-666 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3890 caliber with 35j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-e395fcb9b6e8]

Also known as: Golden Tuna, Emperor

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
14.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Burgundy
Jewels
35j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1970

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