This Grande Reverso Calendar 273.2.84 is in excellent condition for a second-hand watch, carefully worn throughout the years. The case does have areas of mirror-like finish which are prone to hairlines (marks visible when with high resolution cameras or if angled at certain lighting). Pictures are part of the description so please refer to the pictures in determining the condition, pictures are of the exact watch being offered. The watch comes with a JLC box and warranty certificate, dated 2014. It was also sent to JLC for a full serivce so JLC service records dated March 2026 are included with the watch as well (this implies a factory JLC warranty for 2 years from that date). The case is made of 18k rose gold, most of which is of a mirror finish with the exception of the case back which displays a satin finish and the inner carriage that shows a spun finish. It comes on an unworn brown leather Jean Rousseau strap (high-quality Paris-made) that is paired with an 18k rose gold JLC tang buckle. The main face is a silver guilloche dial that is accompanied by blued steel hands as well as black Arabic numeral hour markers. Functions include day and month apertures as well as a date sub-dial and moon phase display. As for the reverse face is a sapphire crystal which displays the beautiful JLC caliber 843. This watch has passed through our service center where it was first checked inside and out to certify its authenticity. After that, it passed a functionality test to confirm it is running up to manufacturer's standards and water resistant. Lastly, the serial number was run through a database to verify its legitimacy. We will issue receipts and a certificate of authenticity and test it once again prior to delivery. This watch will be backed by our in-house warranty.