Caliber, C22RJ51- Concepto by Jacquet.Limited Edition, 2012 pieces. Jewels, 23 rubies. Rate frequency, 28800 vph. Power reserve, 42 hours. Bezel, Stabilized extreme rusted steel. Flank, 5N satin-finished pink gold. Paws, 5n pink gold with titanium screws. Lug, 5N satin-finished pink gold. Lug insert, 5N satin-finished pink gold. Crown, 5N pink gold with black rubber. Pushbuttons, 5N pink gold.Case Back, anchor oscillating weight. Dial, black with pink gold colored "XII" and counters. Water resistance, 5 atm. Strap, black rubber or crocodile hornback with 5N satin-finished pink gold folding clasp.