Entry to the Grand Prix d'Horlogerie de Genève is voluntary and made by the brand. An entry is a watch registered for that year's competition, not a jury verdict, and several large houses including Rolex, Patek Philippe and Omega do not take part at all.
The Challenge category at GPHG 2019 held 22 entries. These are the other 21.
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One of the most widely serviced calibers in the world; any competent independent can handle it. Parts are inexpensive and stocked everywhere.
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The Sub 200 omits the helium escape valve of the Sub 300T; Sub 200 caseback and dial text confirm the correct reference.
| Area | What to check | What is correct | Red flag |
|---|---|---|---|
| dial | Sub 200 dial designation | Sub 200 text on the dial; correct depth rating designation | Wrong depth rating text; dial from a different Sub variant |
| case | No helium escape valve | No helium escape valve on the Sub 200 case | Helium escape valve present; modified or incorrect case for this reference |
| caseback | Sub 200 caseback text | Sub 200 reference confirmed on the caseback | Sub 300T or Sub 600T caseback text; wrong caseback for this reference |
The Sub 200 is Doxa's entry diver, offered in multiple colorways. It uses a steel case and is rated to 200m. The Sub 200 is the most accessible Doxa and the most straightforward to authenticate: the inner bezel dive scale and correct colorway typography are the key checks.