LE RÉGULATEUR LOUIS ERARD X GOS Limited Edition 178 pieces TECHNICAL SPECIFICATIONS CASE MATERIAL Polished stainless steel CASE DIAMETER 39 mm CASE BACK See through GLASS Domed sapphire crystal with anti-reflective treatment on both sides WATER RESISTANCE 5 bars (50 m/165 ft) TECHNICAL SPECIFICATIONS MOVEMENT CALIBRE Sellita SW266-1 MOVEMENT Automatic Regulator FUNCTIONS HMS POWER RESERVE Around 38 hours TECHNICAL SPECIFICATIONS DIAL & HANDS Chapter and hour counter rings rhodium-plated with circular satin finish and diamond-polished angles. Lower plate made of Damascus steel by Conny Persson (blacksmith) and Patrik Sjögren (GoS), Louis Erard and GoS symbols transferred in white at 3 o'clock. Dial designed by Patrik Sjögren (GoS) according to his artistic identity. HANDS Blue signature GoS hands TECHNICAL SPECIFICATIONS STRAP Black salmon leather strap, black calf leather lining, polished stainless steel pin buckle, quick-release spring bars for easy strap change. Comes with an additional black grained calf leather strap with tone-on-tone stitching, black calf leather lining, polished stainless steel pin buckle, quick-release spring bars for easy strap change. BUCKLE Pin buckle