Seiko Cal. 6656 - 186

Seiko 6656-186

The 6656-186 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6656 caliber with 33j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-5688c4668c18]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
45mm
Case Thickness
14.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Navy
Jewels
33j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1979

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seikata-wm-5688c4668c18