Louis Erard Le Régulateur Louis Erard x Alain Silberstein Khaki Technical specifications Case Case material Microblasted grade 2 titanium & polished grade 5 titanium Case diameter 40 mm Case back See through Glass Sapphire with anti-reflective treatment on both sides Water resistance 10 bars (100 m/330 ft) Movement Calibre Sellita SW266-1 Movement Automatic Functions HMS Power reserve Around 38 hours Dial Matt khaki with white transfers, black counter at 12 o'clock, white and red transfers, black flange featuring white and red indexes Hands Alain Silberstein signature hands: red lacquered hour hand, white lacquered minute hand and yellow lacquered second hand Strap Khaki nylon and microblasted grade 2 titanium functional catch spring bars allowing the strap to be changed quickly Buckle Hook-and-loop fastener system