Original Gerald Genta Retro Sport watch case with case-back, 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 image is used only for reference. Please refer to the watch manufacturer’s presentation for the technical details.
You can find he matching movement for this kit in my following offer: https://www.ebay.com/itm/Authentic-GERALD-GENTA-Retro-Sport-RSP-L-10-automatic-watch-movement-and-dial-/133145346175