Seiko Cal. 6656 - 112

Seiko 6656-112

The 6656-112 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6656 caliber with 33j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-2a5525e17e45]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
8.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Navy
Jewels
33j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1990

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