LE RÉGULATEUR LOUIS ERARD LABEL NOIR Technical specifications Case Case material Sandblasted stainless steel with black PVD coating Case diameter 42mm Case back See through green Glass Domed sapphire crystal with anti-reflective treatment on both sides Movement Calibre Sellita SW266-1 Movement Automatic Functions HMS Power reserve Around 38 hours Water resistance 5 bars (50 m/165 ft) Strap Black nylon with green stitching, black calf leather lining, functional catch spring bars enabling the strap to be changed quickly Buckle Stainless steel sandblasted pin buckle with black PVD coating