This watch is also known as: Q2166401 216-64-01 216/64/01 Jaeger-LeCoultre Reverso Platinum Number One Mens Wristwatch.brbrJaeger LeCoultre Reverso Platinum Number One and Two Mens Watch 216.64.01 Platinum case. Blue leather strap. Hand-decorated skeleton movement. Platinum deployant buckle. Scratch resistant sapphire crystal. Manual winding movement. Case size 26mm x 42mm with lugs. Case thickness 9.5mm. Water resistant at 30 meters (100 feet).brbrJaeger LeCoultre Reverso Platinum not only reflect the time but also care you put into looking good.