Here is a watch that a lot of people recognize instantly, the PAM00090 with its power reserve indicator. The watch is very well preserved with a perfect crystal and good case overall. The watch works great and comes on an unworn black strap with regular pin buckle.
 
Details:
 
Brand: Panerai
Model: Luminor Power Reserve
Reference: PAM00090
Year: Unknown
Material: Stainless Steel
Dimensions:  44mm
Crystal:  Sapphire Crystal
Movement: Automatic Power Reserve
Bracelet/Strap: Original Panerai Leather Band with regular Panerai pin Buckle
Box/Papers: No/No