It is an alloy developed independently and is very lightweight.
An alloy of gold and ceramics, developed by Hublot. Higher hardness than stainless steel
Pioneer in the development of the wristwatch, Rolex designs, develops and produces in-house all the essential components of its watches, from the casting of the gold alloys to the machining, crafting, assembly and finishing of the movement, case, dial and bracelet.
Grand Seiko Ladies Model STGF255
Datejust 41 White MOP Steel/18k White Gold Dia 41mm
Datejust Grey Steel/18k Rose Gold 36mm
Datejust 36 Pink 18k White Gold/Steel 36mm
Deep Sea Black/Steel Ø44 mm