Production years are

D (2001) 500 pieces, Case number:6541, ID starts with BB,

E 500 pieces, Case number:6541, ID starts with BB,

F 500 pieces, Evolution: New darker dial and applied luminous dots, Case number:6541, ID starts with BB,

G 300 pieces, Evolution: BDR buckle, Case number:6541, ID starts with BB,

H (2005) 200 pieces, Case number:6541, ID starts with BB,

OOR* 11 pieces, Case number:6541?, ID starts with BB?,

All with Tritium,

*OOR means “Out of Range”,

that reference is also called (blue) “La Bomba” at Panerai fan-base