Rolex. A very fine and rare New Old Stock stainless steel automatic chronograph wristwatch with black dial, tropical brown chapter rings and box
Lot 301 The following three sport watches is a selection of unusual modern Daytona model featuring various distinctive features rendering each of them an unusual and closed to unique model likely to catch the attention of an enthusiast collector.

Rolex. A very fine and rare New Old Stock stainless steel automatic chronograph wristwatch with black dial, tropical brown chapter rings and box

Signed Rolex, Oyster Perpetual, Cosmograph, Daytona, Ref. 16520, case no. W320867, manufactured in 1995

Closed14 November 2016

Price Realised

CHF 27,500

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Rolex. A very fine and rare New Old Stock stainless steel automatic chronograph wristwatch with black dial, tropical brown chapter rings and box
Signed Rolex, Oyster Perpetual, Cosmograph, Daytona, Ref. 16520, case no. W320867, manufactured in 1995
MOVEMENT: automatic, cal. 4030, 31 jewels
DIAL: black, applied luminous baton numerals, luminous hands, three subsidiary dials for constant seconds, 30 minutes and 12 hours registers on tropical brown chapter rings
CASE: stainless steel, tonneau-shaped, bezel calibrated for 400 units, screw back, screw down crown, two round screw down chronograph buttons in the band, 40 mm. diam.
SIGNED: case, dial, movement
BRACELET/CLASP: stainless steel Rolex Oyster bracelet, deployant clasp, approximate overall length. 190 mm.
ACCOMPANIED BY: Rolex literature, Rolex box and outer packaging

Specialist note

It is highly unusual to find the Cosmograph Daytona model with colour-change dial in New Old Stock condition with no signs of use, still retaining the protective factory bezel covering and green Rolex hologram reference sticker on the back of the case, the present watch is one of those rare gems
Some manually wound Daytonas present dials that with time change colour: the black paint reacts with light and other environmental factors and turns a variety of colours, from dark chocolate to nearly orange. These dials are the so-called tropical dials, and are in very high demand among collectors. This process can occur also on Zenith Daytonas, however it usually affects the white chapter rings, which turn brown, and can occur only on watches manufactured between 1993 and 1997, while with manually wound Daytonas it can occur on any watch. Consequently, one can infer that Zenith Daytonas with tropical dials are even rarer than manually wound ones.