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