Depending on the brand, the era in which it was made, etc, the watch’s serial number may be present on the case back — this is especially true of many more modern timepieces. However, you’ll need to ...

Course Reference Number (CRN) The 5-digit Course Reference Number is the unique identifier assigned to every course and section. This is the number you use to register for a specific class. CRNs that ...

Phillips will once again offer the Patek Philippe Ref. 1518 in steel nearly a decade after its record-breaking sale. The watch could fetch $19.9 million.