This is a Cartier Calibre watch. It is named after Jacques Cartier who is a French explorer remembered for claiming modern day Canada for the French. For explorers keeping track of time was very important to keep track of their location.
Ruby and diamond #cluster ring by Cartier , centred by a cushion cut ruby to a shaped hexagonal surround set with baguette, trapezium and round brilliant cut diamonds, outer calibrй cut ruby frame, serial number 3.22.7, mounted in platinum
The biggest news from German watch manufacture Glashütte original at Baselworld 2016 was the launch of a new, in-house automatic movement, Caliber which makes its debut in a new watch model, the Glashütte Original Senator Excellence.
Art Deco Platinum, Cabochon Sapphire, Diamond and Black Onyx Brooch The modified rectangular openwork brooch highlighted by 16 buff-topped cabochon sapphires, decorated with numerous small old European-cut diamonds, accented by a stylized key-fret motif set with calibre-cut buff-topped black onyx, with French assay mark, circa 1920.