Manufacturer: Patek Philippe
Year: Circa 2006
Reference No: 4936
Movement No: 3’581’380
Model Name: 4’350’189
Material: 18K white gold, diamond, mother-of-pearl
Calibre: Automatic, cal. 315/297, 34 jewels
Bracelet/Strap: Crocodile
Clasp/Buckle: 18K white gold Patek Philippe buckle
Dimensions: 36.5mm Diameter
Signed: Case, dial, movement and buckle signed
Accessories: Accompanied by Certificate of Origin, dated June 16, 2006, Singapore, fitted wooden presentation box, leather envelope, product literature and outer packaging.
Catalogue Essay
Patek Philippe introduced their first annual calendar model in 1996 with the reference 5035. Prior to then, mechanical watches indicating the day, date, and month were either a simple triple calendar - necessitating a correction at the end of each non-31-days-long month - or a perpetual calendar. After years of research, Patek Philippe patented and launched with reference 5035 the hybrid annual calendar, necessitating only one correction per year, at the end of February. The complication went on to become a staple of Patek Philippe’s production and is today employed in a variety of timepieces. The reference 4936 wristwatch, launched in 2005, was the first annual calendar wristwatch designed specifically for women by Patek Philippe. The dial is made of shimmering mother-of-pearl and fitted with applied white gold Roman numerals, an aperture for the date, and subsidiary dials for day, month, and moon phase.

The present wristwatch is finely crafted with a diamond-set bezel, and crown. It has a modern appeal with a 36.5mm diameter case, yet the gem-set work and mother-of-pearl dial gives the watch a refined, feminine touch.
Artist Biography
Patek Philippe
Swiss • 1839
Since its founding in 1839, this famous Geneva-based firm has been surprising its clientele with superbly crafted timepieces fitted with watchmaking's most prestigious complications. Traditional and conservative designs are found across Patek Philippe's watches made throughout their history — the utmost in understated elegance.
Well-known for the Graves Supercomplication — a highly complicated pocket watch that was the world’s most complicated watch for 50 years — this family-owned brand has earned a reputation of excellence around the world. Patek's complicated vintage watches hold the highest number of world records for results achieved at auction compared with any other brand. For collectors, key models include the reference 1518, the world's first serially produced perpetual calendar chronograph, and its successor, the reference 2499. Other famous models include perpetual calendars such as the ref. 1526, ref. 3448 and 3450, chronographs such as the reference 130, 530 and 1463, as well as reference 1436 and 1563 split seconds chronographs. Patek is also well-known for their classically styled, time-only "Calatrava" dress watches, and the "Nautilus," an iconic luxury sports watch first introduced in 1976 as the reference 3700 that is still in production today.
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