Steel Jaeger-LeCoultre Reverso Calendar 273.8.84. JLC Calibre 843 automatic movement. 41.6mm X 30mm case, including lugs. Water resistant to 30 metres. Silver Guilloche dial with Arabic numerals, day and date display at 12 o’clock position. Sub dial at 6 position with day and night display. 45 hour power reserve. Sapphire crystal glass. Black croc leather strap with folding clasp. Box and papers dated March 2015. Our reference S20791.