Rolex Daytona 16520

Brand Rolex, Geneva Model ‘Oyster Perpetual’ ‘Superlative Chronometer Officially Certified’ ‘Cosmograph’ ‘Daytona’; so-called ‘Zenith / El Primero movement’ and ‘Arabic Prototype’ and ‘inverted 6’ dial Retailed by / made for - Year circa 1990 Reference 16520 Movement No. 55397 Calibre 4030, self-winding, 31 jewels Case No. E 955 954 Material/s stainless steel Bracelet stainless steel ‘Oyster’ bracelet Buckle stainless steel ‘fliplock’ deployant clasp (Ref. 78360, dated P6; end-links 503) Dimensions 47 x 41.8 mm. (with crown guards) Ø 38.6 mm. (bezel) Thickness 12.7 mm. Length 190 mm. (approx.) Weight 118.5 gr. (approx.) Signature dial, case and movement Accessories original fitted box Rolex Ref. 16520, self-winding, chronograph, minutes and hours counters, white dial so-called ‘Arabic Prototype’ and ‘inverted 6’; ‘Oyster’ bracelet; ‘Cosmograph’ ‘Daytona’, so-called ‘Zenith / El Primero movement’; stainless steel -- Stainless steel, self-winding, tonneau-shaped, gentleman’s wristwatch, with subsidiary seconds at 9 o’clock and three horological complications: 1/10 second chronograph (activated by the two round-shaped screwed push-pieces located on the case-band) with tachometric scale graduated on the stainless steel bezel for 200 units per hour Half-instantaneous 30-minute counter (subsidiary dial at 3 o’clock) 12-hour counter (subsidiary dial at 6 o’clock) -- Case: three-piece, polished and satin-finished, water-resistant with screwed case-back, polished screwed ‘triplock’ winding-crown protected by the crown guards; stainless steel polished bezel. Dial: white colour, with applied radial luminescent indexes, black and white colours auxiliary dials; stainless steel luminescent ‘Bâton’ hands. Movement: calibre 4030, self-winding, 31 jewels, adjusted to 5 positions and temperatures (“El Primero” ebauche by Zenith, Le Locle).