• cal. 27-460 automatic damascened nickel lever movement stamped with the seal of Geneva, 37 jewels, free-sprung Gyromax balance, yellow gold rotor • sunburst silvered dial, applied baton numerals, subsidiary seconds, aperture for date • 18k pink gold case, faceted down turned lugs, screw-down case back • case, dial and movement signed

Movement is in working order while cataloguing. Dial is very lightly spotted, only visible through a powerful loupe. Case with light surface scuffs, light signs of polishing, visible hallmark. Overall condition is very good for its age.
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. All dimensions in catalogue descriptions are approximate. Condition reports may not specify mechanical replacements or imperfections to the movement, case, dial, pendulum, separate base(s) or dome. Watches in water-resistant cases have been opened to examine movements but no warranties are made that the watches are currently water-resistant. Please note that we do not guarantee the authenticity of any individual component parts, such as wheels, hands, crowns, crystals, screws, bracelets and leather bands, since subsequent repairs and restoration work may have resulted in the replacement of original parts. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue. In particular, please note it is the purchaser's responsibility to comply with any applicable import and export matters, particularly in relation to lots incorporating materials from endangered species.NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."

**Please be advised that bands made of materials derived from endangered or otherwise protected species (i.e. alligator and crocodile) are not sold with the watches and are for display purposes only. We reserve the right to remove these bands prior to shipping.

Important Notice regarding importation into the United States of Rolex watches
Sotheby's cannot arrange for the delivery of Rolex watches to the United States because U.S. laws restricts the import of Rolex watches. The buyer or a designated agent may collect the property in the country of sale."

With a Patek Philippe Extract from the Archives. 

Ref. 3445, frequently referred to as the 'Monodate', was the first calendar wristwatch produced by Patek Philippe in a series.  The model remains one of the most popular automatic wristwatches made by the company and incorporates the legendary calibre 27-460 movement.  To improve efficiently by creating greater mass and ensure that the w🍒atch is continually and smoothly wound when worn, an 18k gold rotor is used as the automatic weight instead of steel as was generally found acceptable in the industry at the period. The movement is also fitted with the Patek Philippe patented, revolutionary, ‘Gyromax’ balance to improve timekeeping.

The production of this reference s🍬tarted in 1961 and ceased around 1981 such was the popularity of model. Available in 18k yellow, white and pink goldꦺ as well as platinum cases and with a strap or incorporated bracelet.

According to our research, fewer than 13 examples of this reference in pink gold have appeared at au𒐪ction.