I purchased the Chronoswiss Sirius from a jeweler in 2015 as a collector's item. The watch is new and unworn. Specifications: Case: 750 red gold Dial: solid sterling silver (925) Gold-plated, hand-finished steel hands Sapphire crystal case back Diameter approx. 40 mm and height approx. 7.7 mm Caliber c. 111, 17 jewels and approx. 46-hour power reserve Water resistance 3 ATM Strap made of dark brown Louisiana crocodile leather with a pin buckle The watch is delivered in its original box with all papers and a copy of the invoice. Delivery will be made via secure courier within approximately one week after receipt of payment. Delivery within the EU only.