Cvstos _Archive QP Challenge-R 50 QP-S CR50 QPS SRR very rare very limited and hard pieces to find cvstos challenge Perpetual calendar model with retail price was over 33,000$ very expensive and luxury watch for a collection because they don't produce it this model anymore so don't loose the chance to own this beautiful rare piece. Only one available on other platforms used condition for over 16,500€ out of European Union with box with customs tax it will cost over 20,000€ Please don't confuse it for the Chronograph model functions is a complete different models and cheaper prices. Check all my details and photos for more information. more details Functions: Hours, Minutes, Center Seconds, Perpetual Calendar with moon phases and leap year, Date Men's Case Material:Stainless Steel, Palladium, Titanium Dial Color:Black, Open-worked with silver highlights Movement:Automatic Engine:Cvstos Caliber 6510 (25 jewels, 28,800vph) 48 Hours power reserve 50mm Titanium Grade 5 polished push pieces Crystal Material: Sapphire Crystal - Anti Reflective, Scratch Resistant Bezel Function: Fixed Water Resistance: 100m / 330ft (suitable for swimming and shallow snorkeling; unsuitable for diving) Crown Material: Titanium Grade 5, Screw-in, Polished, Rubber-insert Very very limited maybe the only one available on the European Union Market Yes Original box, no papers Cyprus is a European Union country so no extra cost when you order from European Union country I will send with DHL express insurance shipping worldwide