WINSMITH E20 SPEED REDUCER RATIO 50:0 56C FRAME 1750 RPM E20MDVS51000FT,White Gold Men Watch Automatic, self-winding Master Ultra Thin Perpetual 1303520 | Jaeger-LeCoultre,Winsmith SE Encore E26 Worm Gear Reducer Model: CSFS Ratio 10,Winsmith SE Encore E26 Worm Gear Reducer Model: CSFS Ratio 10,25 to 1 Ratio New Winsmith E35 MSFS Gear Motor Speed Reducer unit 90 degree