**Frederique Constant Slimline Perpetual Calendar** Ah, perpetual calendar! One of the most complicated watch movements. This example is likely one of the most affordable perpetual calendar watches from a Swiss watchmaker with an in-house movement. 42mm stainless steel case on factory leather strap with deployant clasp. Frederique Constant calibre FC-775 automatic movement. Features four multi-function sub-dials displaying: date, day of the week, month/leap year and moonphase. Comes with box and papers. Excellent overall condition. Reference FC-775S4S6 More pics: [https://imgur.com/a/oeWDaaS](https://imgur.com/a/oeWDaaS) $4,250 plus shipping. Local pickup available in Los Angeles area. Zelle, venmo and wire accepted. Watch dealer with positive feedback on hundreds of successful transactions throughout watch community, including WUS, C24, eBay, FB. Thanks for looking.