Louis Erard Excellence Guilloché Main II watch. A luxury Swiss made wristwatch by Louis Erard in 42mm stainless steel case, water-resistant to 50m and presented on a black calfskin leather strap with pin buckle. Hand guilloché dial with three-dimensional pattern, featuring blued steel hour and minutes hands. Sapphire case back revealing élaboré grade Sellita SW261-1 self-winding movement with 38 hour power reserve. Functionality-Plain 2-Hand Movement-Automatic