Bronze has been used by man for over 4,000 years. Maybe it’s time you used it, too.

Bronze has been around almost as long as horology. First used in weaponry and decorations around 4,000 BC — roughly when the first water clocks appeared — it’s mankind’s oldest alloy. Concocted of varying combinations of copper and tin, bronze can pack a Vickers hardness rating higher than that of wrought iron and stainless steel combined.

Bronze is also antimagnetic and resists corrosion — especially that caused by seawater. By generating a patina of copper oxide, bronze actually shields itself from further contamination. 
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https://www.gearpatrol.com/watches/a83061/buyers-guide-bronze-watches/