PANERAI REF. OP 6510 PAM 040B LUMINOR MARINA TITANIUM Officine Panerai, Firenze 1860, No. B138 / 200, Ref. OP 6510. Made in a limited edition of 200 pieces in 1999. Fine and rare, large, cushion-shaped, water-resistant, titanium military diver's wristwatch with a stainless steel Panerai buckle. Accompanied by the original wooden fitted box, Chronometer certificate, Warranty card, booklets, and 3 spare straps with one Panerai titanium buckle. Three-body, brushed, screwed-down case back, patented locking crown, screwed-bars, sapphire crystal. Black with luminous Arabic numerals and indexes, subsidiary seconds dial at 9. Luminous black baton hands. Cal. OP XI, rhodium-plated, special Panerai decoration, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring.