INDEPENDENT VERIFICATION

by GemWorld International

The Swiss Crown USA process. Why partner with us?

Our process begins by hand selecting and buying only the finest quality pre-owned Rolex watches. Each watch is then inspected, refurbished and overhauled. The watch is refinished, polished and tested by technicians trained on luxury Swiss watches and backed by a two year warranty. A pre-owned Rolex certified by Swiss Crown comes with all the performance, precision and prestige you find at a fraction of the price.

 

Independent Verification

Each pre-owned Rolex watch is independently examined by Gemworld International Inc., one the the most respected gemological laboratories in the US. Each verification includes a professional photograph and shows the serial number of the pre-owned Rolex.

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Our Overhaul Process

Inspection & Authentication

  • Remove bracelet, record style number between lugs at 12 o’clock and serial number between lugs at 6 o’clock

  • De-case movement, remove hands and dial,

  • Inspect movement number

  • Authenticated by technicians trained to work on luxury Swiss watches

 

Overhaul Movement

  • Completely disassemble movement

  • Inspect all parts for integrity

  • Place all parts in ultrasonic machine cleaning cycle

  • Place all parts in rinse cycle, perform three times

  • Identify parts for replacement (Any parts replaced will be authentic Rolex parts)

  • Reassemble movement, oil gear train, winding mechanism, balance bushings and mainspring with recommended Rolex lubricants only

  • Insert movement in automatic movement tester to verify beat and regulate timing to +7/-7 sec/day
     

Refinish & Polish

  • Buff bracelet and case

  • Steam clean case and bracelet
     

Water Test

  • Install case back and gaskets if needed

  • Vacuum test to -.7 bar

  • Pressure test to recommended depth levels

  • Wet test if leak is present

 

Re-Case & Time

  • Set case in automatic winder for visual timing confirmation for duration of 48 hours plus

  • Install bracelet upon confirmed timing