NEW OLD STOCK from watchmaker supply house. Perfect condition. Many other models available. Email for quick response on availability. Please see our other listings for Longines acrylic crystals also. CRYSTALS MARKED "PREMIUM" ARE DOUBLE THICK FOR EXTRA BEAUTY AND DURABILITY. Our inventory is made up of many different manufacturers such as B & B,Watchcraft (W-C), Perfit, Fulton, and Federal. These companies all made crystals to fit each watch. The one you receive many not be the manufacturer pictured but will be designed to fit the watch indicated. Many crystals were made at the same plant and marketed using different labels. We also have a listing for the rectangular flat bottom crystals which are less than 22.5mm in length: see 285426115175. We also have many Longines crystals identified by model name. If you do not see your crystal here, please check our listing 284212574056. WE HAVE MANY OTHER CRYSTALS IN STOCK MARKED LONGINES BY THE MANUFACTURERS FOR WHICH WE HAVE NO CROSS REFERENCE. IF YOU HAVE THE MODEL'S NAME AND/OR SHAPE AND DIMENSIONS, WE MAY HAVE THE REPLACEMENT CRYSTAL FOR YOU. PLEASE ADVISE. Shipped in a secure container with postal tracking.