![]() ![]() You can also buy a copy of the study through The Geological Society here. You can read more about the study and its conclusions here. The watches tested were produced from the 1920s through the ‘60s, and are a mix of British, Swiss, and American origin. Instead, it would be better to take the box outside and remove the lid there, which would allow any built-up gas to rapidly dissipate.” To minimize the risk, I would recommend people not wear them-and if stored in a box, to not remove the lid indoors. “These watches are often precious heirlooms with sentimental value, or highly prized collectors’ items. Professor Gillmore, an environmental hazards expert and the Head of Energy at Kingston University, issued the following warning: In a much larger space, the detected levels were still high enough to warrant concern. The amount of radon monitored was even greater among those watches kept in poor condition. Therefore, a bronze watch case may irritate your skin.According to a five-year study carried out by research teams at the University of Northampton and Kingston University, and funded by UNESCO, the International Union of Geological Sciences, and the International Geoscience Programme, antique radium-dialed watches could be a legitimate health hazard for their owners.Īfter testing 30 watches kept in a typical room, researchers discovered that collectively they emitted radon, a radioactive element that is the decay product of radium, in concentrations 134 times greater than the United Kingdom’s recommended safe level. This is a natural process and does not indicate quality issues.īronze is a living alloy and it's not hypoallergenic - data suggests that more than 10% of the world population is known to be allergic to nickel. With time, your Old Radium Bronze will become darker due to oxidation: the patina. ![]() The bronze forms a natural patina, which gives your watch a unique character. Bespoke Marine Nationale strap handmade in Barcelona by Didymostraps with genuine full-grain vegetable-tanned leather from Tuscany, Italy.Ĭaring for your Bronze CuSn8 Isotope - Bronze is a copper alloy and oxidises when in contact with oxygen. ![]()
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