The yellow parts of the watch you see are 18-karat pure gold. The Cartier Octagon watch has the same design and was designed by the same designer. watch in the image is a vintage design from the Swiss luxury watchmaker Alexis Barthelay. The watch features a two-tone (bicolor) design, a combination of stainless steel and 18-karat gold details, one of the brand's signature styles. Key features of the watch include: Case and Strap: Features a unique strap structure made of matte brushed stainless steel with gold decorative screws. Dial: A simple, white or cream-colored dial with gold-colored baton indices and a date window at 3 o'clock. Movement: Typically uses a high-precision Swiss quartz (battery-powered) movement. Luxury Collaborations: Alexis Barthelay has also produced exclusive collections for world-renowned jewelry brands such as Tiffany & Co. in the past. —// SHIPPING METHOD //— SERVICED BY: FedEx and UPS. Express ship —[[[ NOTES TO CUSTOMERS ]]]— [PHOTOS] - All photos are not retouched (except for serial numbers hidden for security reason). Any defects not mentioned in the description but visible in the pictures will be considered as described. Pictures speak a thousand words, so we kindly ask you to look at the pictures carefully before bidding as they form an integral part of the description. I value my relation with customers so I do not want to become your disappointment when items is received with undesirable results. [ACCURACY] - Accuracy is tested on every watch at horizontal position (dial face up) at fully wounded power reserve and is deemed satisfactory for keeping time before sending out of our shop. Some factors which might affect accuracy include length of time worn on the wrist, arm movement, and tension on the power spring. Watches that are more than 10 years old might experience a larger accuracy variance and inconsistency because of mechanical wear. [AUTHENTICITY] - All watches I sold are authentic. I try to label all aftermarket parts which I can identify and at the best of my knowledge. Please evaluate the item accordingly to the pictures as they are taken from the actual item you will be receiving. Written description is only for auxiliary purpose when pictures cannot show the defect perfectly. (except for some Brand new items where pictures might be borrowed from previous listings). [CANCELLATION AND RETURN] - If the winning bidder or buyer decides to cancel / withdraw the bid or the shipment is being returned at the false of the buyer (e.g. unable to process duty payment in a timely manner, delivery refusal, etc.) there is a risk for the buyer to cover the cost of all shipping charges and return import duties of seller. [IMPORT] -Please note we cannot guarantee that you will or will not be charged any customs tax or duties. Import laws are different in every country and information can be found in the local customs office webpage. Any customs or import duties are charged once the parcel reaches its destination country and must be paid by the consignee. [DAMAGE OR LOST PARCEL] - We try to check carefully every watch before shipment as carefully as possible but in the unpleasant event that the parcel or the watch arrive damaged or lost, please let us know and keep all the packaging materials and contents in place so we can file a claim with the courier for you.