Up for sale here is a very hard to come by example of the JLC Master Ultra-Thin Calendar, cased in solid 18k White Gold! Ref. Q1263520. The dial is a beautifully textured white, unique to the precious metal cased Ultra-Thins. Feels absolutely excellent on the wrist at 39mm.  Comes on the JLC leather strap with the white gold buckle.  Asking price is $15,250. **All watches sold by us come with a 1 year warranty on movement, case, and bracelet functionality.** We have been trading luxury timepieces since 2017 and operate out of the southeast United States. Accepted forms of payment are wire transfer, trades for other watches, or crypto +2%. Turn your digital coins and memes to IRL assets! After payment has been received, we ship out promptly using Fedex Priority Overnight, fully covered by a private insurance company. Packages are sent to a Fedex Office or Ship Center to be held for pickup. Armored carrier or personal delivery will be arranged for pieces valued over $150k. More pictures or video available on request! Plenty of references available, so deal with confidence! We pride ourselves on customer service, communication, and will do what you need to make this a comfortable transaction. Most brands and models of luxury timepiece are accepted on trade. Rolex, Audemars Piguet, Patek Phillipe, Richard Mille, Hublot, Panerai, Zenith, Breitling, Vacheron Constantin, F/P. Journe, A. Lange & Sohne, etc. I can do cash either way or multi-watch trades for the right deal! Check out our other listings on mechanical-art . com