Seiko Cal. 6120 - 136

Seiko 6120-136

The 6120-136 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6120 caliber with 36j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-41ab6f821338]

Also known as: Sumo, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Black
Jewels
36j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1983

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seikata-wm-41ab6f821338