Brand New Authentic A. Lange & Sohne 1815 Tourbillon 18K Rose Gold Men's Watch Model 730.032. Rose Gold 18kt Polished case with Brown Leather Alligator strap. Deployment clasp. Fixed bezel. Tourbillon movement. Pull and Push crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 39.5mm. Case thickness: 11.1mm. Transparent case back. 30 Meters - 100 Feet water resistant. 2 year WatchMaxx warranty. Also known as model: 730032.