Japanese jewelry manufacturer Jewelry Miura Co., Ltd. has launched the world’s first mechanical watch featuring a dial made from 18K purple gold, introducing the novel material to the horological market through a Kickstarter campaign.

The introduction of this timepiece is noteworthy due to the material's unique properties and official validation. The 18K purple gold, an alloy of gold and aluminum, has been officially hallmarked by the Japan Mint, a step that verifies its precious metal content and standard. Jewelry Miura has also secured patents for its purple gold production technology in key international markets, including Japan, the United States, and Europe, establishing a proprietary claim on the manufacturing process for this distinct material.

What We Know So Far

  • Jewelry Miura Co., Ltd., a Japanese jewelry manufacturer, has launched the first mechanical watch with a dial crafted from 18K purple gold, according to reports from montgomeryadvertiser.com.
  • The 18K purple gold utilized in the watch dial has received an official hallmark from the Japan Mint, certifying its composition and purity as a precious metal alloy.
  • The company holds patents for its purple gold production methods in Japan, the United States, and Europe, protecting its proprietary technology.
  • Purple gold is an 18K gold alloy, a classification that requires at least 75% pure gold content, which is achieved by combining it with aluminum.
  • The timepiece is equipped with a MIYOTA 90S5 automatic movement, a component known for its reliability in modern watchmaking.