Jaeger-LeCoultre has given its classic Master Calendar watch a one-hundred-million-year-old dial thanks to a single block of meteorite that was discovered in Sweden, originally hailing from the asteroid belt between Mars and Jupiter

Jaeger-LeCoultre has given its classic Master Calendar watch a one-hundred-million-year-old dial thanks to a single block of meteorite that was discovered in Sweden, originally hailing from the asteroid belt between Mars and Jupiter