Audemars Piguet Thin Automatic men's Dress watch

This is an AP thin Watch, automatic winding with date, That may be installed with the famous movement 2120 as the first generation of Royal Oak used. 12 facet back cover screw in type, perfect for a men with a lot of sweat in Summer time of HK! Friend of mine asking me for HK$27,800.
HK Snob