Chopard

Hello Pursits! This is my first post here. Happy to be part of the community. Anyways, I have a rather nitty gritty question. What should the real life acuracy be of the Chopard Lunar One? Should it be beter than + or - 1 second. Thanks for your help.

Sorry for double post. For future reference, is there a way to edit ones post; a cursory examination revealed no clear method of doing so? Also, I meant to say should the acuracy be better than + or - 5 seconds a day. (Photo not mine, credit to its origin...  

The L.U.C LunarOne is Chronometer, COSC-certified. The window of the timing (per COSC) must be inside -4 to +6 seconds per day (absolute 10 seconds window). However, normally L.U.C finetune it always to + (gain). Its better so we will not be late for appo... 

the instructions. I will do this, and post the results one of these days. Again, thanks for the fast response!