Revue Thommen Air Speed Chronograph Automatic, silver-tone stainless steel case and bracelet with fixed bezel also in silver-tone stainless steel; analog dial featuring silver-tone hands and index hour markers including minute markers around the outer rim and luminescent coating on hands and markers for optimal night-time legibility. Date display positioned between 4 and 5 o'clock. Automatic self-winding mechanical movement ensuring accurate timekeeping without battery dependency. Scratch resistant sapphire crystal provides high durability and clarity with a transparent case back allowing view of the automatic movement. Screw-down crown enhances water resistance, round case measuring 44 mm in diameter and 16 mm thick is crafted from silver-tone stainless steel; band width is 22 mm featuring fold over clasp closure. Water resistant to 100 meters / 330 feet suitable for recreational swimming but not professional diving. Functions include chronograph with central seconds, date display, hour hand, minute hand, and second hand.