White Gold A. Lange & Sohne Saxonia Automatik. Ref 315.026. Polished and brushed White Gold case, 37mm diameter, 11mm deep with sapphire crystal see through case back. Automatic movement, Movement: Calibre L921.1 46 hours power reserve. Solid Silvered dial, with grained silver sub-dial, 45 jewels & beats at 21,600 vph. Applied Index hour markers. Black croc strap with White Gold folding clasp. Box and papers dated March 2009. Our reference S21680.