Hi everyone,

I recently received a Rolex Oyster Perpetual with the 3132 movement. The watch ran accurately for the first few days — small deviations of -1 to -4 seconds per day, nothing unusual. However, over one night it suddenly lost over 100 seconds (-104s), which obviously isn’t normal.

The watch is fully wound, worn regularly, and hasn’t been exposed to any drops or magnetic fields (to my knowledge). It’s still under warranty, but before I go through the process of sending it in…

• Rolex OP Sudden Time Loss Overnight