Rolex
Brand Rolex, Geneva
Model “Cosmograph Daytona” so-called “Zenith / El Primero”
Retailed by Rolex Nick Sarlis & Co., Rhodes (Greece)
Year circa 1998
Reference 16523
Calibre 4030, self-winding, 31 jewels
Case No. T 911 684
Material/s stainless steel and yellow gold (18-carat)
Bracelet stainless steel and yellow gold (18-carat) “Oyster”
Buckle stainless steel and yellow gold (18-carat) deployant clasp / Ref. 78393, dated Z4)
Dimensions Ø 38 mm. 47.3 x 41.8 mm. (with crown guards) Ø 38.5 mm. (bezel)
Thickness 12.7 mm.
Length 190 mm. (approx.)
Weight 133.9 gr. (approx.)
Signature dial, case and movement
Accessories original fitted box and outer box (39137.01), Certificate of origin (Attestation de chronomètre officiel) (dated December 23, 1998), booklet Rolex
Ref. 16523, self-winding, chronograph, minutes and hours counters, gold dial, “Oyster” bracelet; “Cosmograph” “Daytona”, so-called “Zenith / El Primero movement”; stainless steel and yellow gold (18-carat) Stainless steel and yellow gold (18-carat), 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 400 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” crown protected by the crown guards; yellow gold polished bezel. Dial: gold colour, with applied radiating luminescent indexes, gold and black colours auxiliary dials; yellow gold luminescent “Bâton” hands. Movement: 4030, 31 jewels, adjusted to 5 positions and temperatures (“El Primero” ebauche by Zenith, Le Locle).
