Arsa Extra Automatic Incabloc 21-jewel wristwatch Material: 18 kt yellow gold Weight: 41g Automatic movement F 1650. Case diameter: 37.3 mm with crown, 35.3 mm without the crown. Between the lugs: 20 mm Strap length: 20 cm excluding buckle, 21 cm including the buckle. Period: the 1970s-80s. This Arsa Extra watch is 18 kt yellow gold. It is in good aesthetic condition. It works very well and keeps time perfectly. The Plexiglas crystal is in good condition. The movement is in very good condition. Cover and casing in yellow gold It is on a new, black faux leather strap. Registered shipping by post, tracked and secure, with signature upon receipt. Shipping costs to be paid by the buyer. If you are satisfied after the purchase, do not hesitate to leave a positive evaluation on my profile! Thank you!