Up for grabs is a vintage Rolex GMT-Master
4.4 mil serial number which is dedicated to all factory service replacement cases.
Dial is an MK6 variant tritium with very light patina. This is also commonly seen as a service dial. Hands are also tritium. Date disk is with open 6’s and 9’s.
Bracelet is a Rolex USA Jubilee
Caseback is stamped 16750 and is a service replacement.
No box or papers. No service history. Runs well.