The Lucien Rochat Montreux R0423115001 is a men's automatic wristwatch featuring a 39mm stainless steel case with a thickness of 11.4mm. It has a white dial with an 'open heart' aperture, revealing the automatic movement beneath. The watch is protected by a sapphire crystal and is water-resistant up to 3 ATM (30 meters). It comes with a stainless steel bracelet equipped with a double push-button deployment clasp. Reference number: R0423115001.