The third timepiece is Panerai Mare Nostrum Titanium Chronograph. Limited to only 150 pieces, the new Mare Nostrum Titanio features a brushed titanium case measuring 52mm. It has a sapphire crystal and it is water resistant to 3 bar (~ 30 metres). Inside is the Swiss manual-wind Panerai in-house caliber OP XXV (base Minerva 13-22) beating at 18,000 vph and with a power reserve of 55 hours. It is finished off with a a gorgeous brown leather strap.