Have two crystals for sale. One is very good and i even think it's new. No package. No scratches . It's for the 186.010 model and a rare one. Have a crystal for a 186.009 but that has a few scratches but good around the edges. The 186.0010 would work on the 186.0009 also but the speedmaster logo is in silver as the logo on the 186.0009 should be red. Wanting $70 for the 186.0010 and $15 for the 186.0009.