by Eldar » Dec 30, 2018 Hi all, I’ve scooped this on a local auction now I’m dying to know it’s worth. Any help will be appreciated! Here are the details I have : Brand: Longines, Tiffany Style: Antique Type: Pendant watch Dial Markings: Tiffany & Co. Switzerland Bezel Material: 18K Yellow Gold Caseback Material: 18K Yellow Gold Movement: 11.62N, 15 Jewels Estimated Production Year: 1909 Markings on Back: LBH (Initials) Markings to Inside: 18K Made For Tiffany & Co. By The Longines Watch Co. Switzerland 3593407 DIMENSIONS - case to case 27.80 mm. - 44.60 mm bale top to bottom. - ligne size 11. - the total approximate weight, inclusive of all materials, is 12.80 dwt.