Panerai Luminor Submersible PAM00664 a stainless steel Royal Navy Clearance Diver limited edition 31/50 wristwatch, in unworn condition, 2016, dial: black with luminous. Calibre: cal. Opiii. Case: stainless steel case, unidirectional steel bezel, case back with Royal Navy Clearance Diver engraving. Case number: OP6771, BB1788137. Serial: R31/50. Band: original rubber. Closure: stainless steel double folding clasp. Size: 44 mm diameter. Signed: case, dial and movement. Accessories: original Panerai guarantee card, C.O.S.C. Chronometre certificate, special editions booklet, instruction manual, additional brown leather strap, presentation case with outer packaging and original submersible two man human torpedo 'pig' and original Panerai strap changing tools.