Original Gerald Genta Retro Sport watch case with case-back, screws, crystal, crown and strap pins.
Stainless steel case-back, marked RETRO SPORT | RSP.L.10 | SWISS MADE | AUTOMATIC | serial number.
Very good overall condition, never used, sold as replacement parts.
The watch in the first image is used only for reference.
Please refer to the watch manufacturer’s product presentation for the technical details.