Jaeger LeCoultre Master Ultra Thin Calendar Ref: Q1263520, 39MM 18K white gold case cusom leather strap  and matching 18K white gold tang buckle, automatic Jaeger LeCoultre Caliber 891/2 448 movement, displaying hours, minutes, small seconds, pointer date, day, month and moon phase, silvered dial with applied hour markers, Arabic numerals, Dauphine hands and an outer date track, sapphire crystal and exhibition caseback, measuring approximately 9.9MM thick, Excellent condition with original warranty papers only