Vintage Alexis Barthelay for Tiffany & Co. 18K Gold & Steel Tank Watch

Very Good without box and paper!  Case, Screws & Waterproofing (PLEASE READ):** The watch back cover is held by 4 screws. Two (2) of the 18K gold screws are broken inside their threads/sockets. The back cover remains tightly shut and secure via the remaining two functional screws and does not move. However, due to the two broken screws, the watch is NOT water-resistant and is not guaranteed for water exposure until repaired by a watchmaker. Selling strictly AS-IS regarding this caseback screw detail.  Vintage Alexis Barthelay for Tiffany & Co. 18K Gold & Steel Tank Watch  For sale is a rare, highly collectible vintage collaboration piece between the prestigious French watchmaker Alexis Barthelay and Tiffany & Co.  This rectangular Tank style wristwatch features a stunning industrial-chic aesthetic, blending a stainless steel body with solid 18K yellow gold front bezel screws. With its crisp Roman numeral dial and sophisticated profile, this is an exceptional dress watch for collectors of unique Tiffany horology.  Brand: Tiffany & Co.  Manufacturer: Alexis Barthelay (Paris / Geneve)  Design: Rectangular Tank Case with 8 independent front bezel screws  Materials: 18K Yellow Gold & Stainless Steel (Stamped internally: Or 18 et Acier)  Dial: White dial, black Roman numerals, gold baton hands, inner train-track minute counter  Complications: Quick-set Date window at 3 o'clock  Movement: Premium Swiss Quartz (Dial signed Swiss at 6 o'clock)  Strap: Premium black textured liza