![]() These blends are known as “multi-alloy bronzes.” If alloys contain little or no tin, they’re called “special bronzes.” The copper-aluminum blend used by the watch brand Anonimo is in this category. Phosphorus and zinc are usually added to alloys that are wrought these two substances as well as lead, nickel and iron are added to cast alloys. Like other current versions, the Khaki Field Mechanical features an updated manually wound movement with 80 hours of power reserve. Bronzes that contain 20 percent tin are called “bell bronze.” Bronze doesn’t equal Bronzeīut bronzes are seldom made of just copper and tin adding other materials creates alloys with tailor-made properties. Bronze is a fitting material for such a fundamentally unfancy watch and will only become more so as it develops a patina over time for an even more rugged look. Color Bronze And Yellow Dial Material Natural Zebrawood. This coating, which is oxidized copper, protects the underlying material against corrosion but leaves all other characteristics unchanged.Īmong the various mixtures of copper and tin, experts distinguish between wrought or worked alloys, which include as much as 9 percent tin, and cast alloys, which usually contain between 9 and 12 percent tin. Mission Zebrawood Patina Bronze watch features an octagonal case with precision zebrawood inlay. 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). Ive been having fun experimenting with natural and forced patina on my first bronze watch, a Zelos Swordfish with teal dial and NH35 movement. ![]() Panerai and Archimede use the bimetallic alloy CuSn8 for their bronze watch cases. ![]()
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