Panerai Submersible 1950 3 Days Blue Bronzo Special Edition PAM00671 2017 [Preowned]Overview The Panerai Submersible Bronzo reference PAM00671 is a highly sought after limited edition timepiece, with only 1,000 pieces ever made. Released in 2017, this model features a stunning 47mm bronze case that develops a unique patina over time, giving each watch a personalized, one of a kind appearance. The case is slimmer compared to previous bronze editions, which significantly improves the ergonomics, making it more comfortable to wear