5 digit Rolex's can be the next big thing.
Rolex GMT-Master Ref. 16750 MK1 'Maxi Dial'
Reference: 16750
Serial: 6270xxx
Case: All Stainless Steel
Dimensions: 40mm excluding crown
Function: GMT
Caliber: Rolex cal. 1520 Automatic
Strap: 20mm Rolex 78360 bracelet with 580 endlinks
Box/Papers: No/No