Pre-owned condition, full set box and papers, dated Sept 1999. Panerai T-dial (Tritium). The Panerai B series thick and round tritium which will develop a nice patina over the years without any sign of flaking. Unlike Pam1 A series which all comes with T-dial, only the early B series year 1999 comes with a T-dial. Pam1Bt comes with a 2 days power reserve.