The Oris Aviation Big Crown Pointer Date Caliber 473 38mm 01 473 7786 4065-07 5 19 22FC features a 38mm round stainless steel case that is water resistant to a depth of 50m. The stainless steel display back allows a view of the movement. The watch glass is made of sapphire glass and is scratch-resistant. The movement with 24 jewels and oneDiameter of 30mm is self- winding and has a power reserve of up to 120h. Functionality-Multifunction Movement-NA