![]() ![]() It reacts with oxygen, which results in a distinctive patina. Panerai launched its first bronze watch, the Panerai Luminor Submersible 1950 3 Days Automatic Bronzo, as a limited edition in 2011.īronze is somewhat more brittle than stainless steel and weighs about 10 percent more. And its most outstanding property is its ability to resist corrosion in seawater. But when combined, the resulting alloy resists wear, retains its shape and is antimagnetic. Pure copper is relatively soft and dents easily while tin is brittle and breaks. ![]() Here’s a look at this time-honored metal.Īlloys that contain at least 60 percent copper can be called “bronze,” but the term usually refers to alloys that are made from a mixture of copper and tin. In other watches, bronze is used simply for its appearance: the metal has a vintage-like matte patina, which differs from watch to watch and hence makes each watch unique. Most are divers’ watches or have a nautical theme for them, bronze, used for centuries to make ship fittings and seafaring equipment, is a way to underline their maritime identity. In recent years, brands including IWC, Panerai, Zenith, Squale, U-Boat, Anonimo and Bulgari have introduced bronze watches. But one “new” case material has been around so long it has a prehistoric age named after it: bronze. This is an era of offbeat, heretofore-unheard-of case materials like forged carbon, tantalum, alusic, titanium ceramic and even something called “Texalium” (aluminum-coated carbon fiber). Panerai and Archimede use the bimetallic alloy CuSn8 for their bronze watch cases. ![]()
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