The cost of servicing a Rolex GMT Master can vary depending on the watch’s condition and the type of service needed. On average, it can range from $600 to $1000.
The Rolex GMT Master contains 31 jewels.
Pull the crown to the first notch and rotate it counter-clockwise to adjust the date.
Check for the Rolex logo, the rehaut engraving, and the quality of the finish. The weight of the watch can also give a clue, as fake watches are often lighter.