This vintage master piece in yellow gold 18 kt (750/000) has its original crown from IWC in yellow gold 18 kt (750/000). Also the indexes are in yellow gold 18 kt (750/000). The strap is a new alligator bracelet in chocolate brown with a pin buckle gold on steel. This watch has been fully serviced in-house in February 2025 and is in excellent working condition. Please don't hesitate to contact us for more information. We will be more than willing to assist you with more pictures or videos for this unique piece.