
Wristwatches · Wristwatch
Patek Philippe Perpetual Calendar Moonphase 18K RG (Ref. 5040R), 2005
- Maker / attribution
- Patek Philippe (maker)
- Date
- 2005
- Historical period
- Mechanical Renaissance (1990 – 2010)
- Country of origin
- Switzerland
- Object type
- Wristwatch
- Stock no.
- PP5040R
- Credit line
- Dealer listing, Craft & Tailored (PP5040R)
- Catalogue title (original)
- 2005 Patek Philippe Perpetual Calendar Moonphase 18K RG (Ref. 5040R) W/ Certificate of Origin (English)
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Record summary
Catalogued by Craft & Tailored (dealer), Los Angeles (stock number PP5040R), this is a wristwatch by Patek Philippe, made in Switzerland, dated 2005. The Atlas places it in the Mechanical Renaissance period (1990 – 2010) of its Wristwatches collection. The record is illustrated with 6 photographs.
Assembled from the source record's structured fields. Dates and attributions are given as the source states them; where a field is missing the Atlas leaves it blank rather than estimating.
Catalogue description
Dealer description — Craft & Tailored
“You never actually own a Patek Philippe. You merely look after it for the next generation.” Introduced in 1996, the Reference 5040 is a testament to that enduring legacy — a perfect embodiment of Patek Philippe’s mastery of the perpetual calendar complication. Crafted in 18K rose gold, the 5040R distinguishes itself with its unconventional tonneau-shaped case — a bold yet refined departure from the traditional round silhouettes — lending it an instantly recognizable profile. At its heart beats the legendary Caliber 240/114, an ultra-thin automatic movement that also powered the iconic Reference 3940. This micro-rotor caliber not only allows for the watch’s elegant slimness, but also showcases Patek Philippe’s technical virtuosity with a perpetual calendar complication that tracks the date, day, month, leap year, moonphase, and even features a 24-hour indicator — all arranged in a perfectly balanced, highly legible dial layout. The 5040R is a rare breed: a haute horlogerie classic that manages to be both distinctive and timeless. It's a piece designed not just for a lifetime, but for generations to come — a reminder that true craftsmanship never goes out of style. SPECS Stock # PP5040R Brand Patek Philippe Style Perpetual Calendar Moonphase Model 5040R Serial 31XXXXX / 42XXXXX Size Men's Material 18K Rose Gold Dial Silver Millimeters 35.5 Strap 2pc Patek Philippe Black Alligator Leather Strap W/ 18K RG Patek Philippe Deployant Clasp CASE & BRACELET The wonderful 18K rose gold tonneau style case retains its original factory curves, dimensions, and character, showing no notable evidence of being previously polished with honest signs of light use throughout. The sapphire crystal is free of any wear or scratches. The case retains its original crown signs with the Patek Philippe cross. The case back is crisp, showing only gentle wear. The watch comes supplied on its original black alligator Patek Phillipe strap with the original Patek Philippe 18K rose gold deployant clasp. DIAL & HANDS The original brushed silver with Arabic numerals is in flawless condition, showing no damage. The 24-hour indicator located in the left sub-dial features a very subtle two-tone effect, with the bottom portion featuring a light creamy color. The original feuille hands complete the watch, along with the sub-register hands, all remaining original as well. The moon phase disc is flawless. ACCESSORIES The watch comes with its original Patek Philippe Certificate of Origin. The watch is keeping time and functioning correctly, though the previous service history is unknown.
Historical context
Mechanical Renaissance (1990 – 2010)
Mechanical watches return as cultural objects; independent watchmaking flourishes.
Mechanical watches returned as cultural and luxury objects. Complications, tourbillons and new materials proliferated; independent watchmakers such as George Daniels, F.P. Journe and Philippe Dufour revived artisanal watchmaking; collecting vintage watches became a major field.
Read the period in the timelineMore wristwatches from this periodEarlier: Quartz Revolution
Atlas type guide
Calendar, moon-phase and perpetual calendar watches
Calendar complications range from a simple date to the perpetual calendar, which automatically allows for months of different lengths and leap years until 2100. Pocket watches with perpetual calendars were made in the eighteenth and nineteenth centuries; Patek Philippe made the first perpetual calendar wristwatch in 1925, and series production followed in 1941. The annual calendar (Patek Philippe, 1996) needs correction only once a year.
Moon-phase displays use a disc with two moons and 59 teeth advanced daily, approximating the 29.5-day lunation; more precise trains reduce the error to one day in over a century.
What to look for
- Apertures or subsidiary dials for day, date, month and leap year.
- Moon disc under a 'bosom' shaped aperture.
- Recessed correctors on the case band for setting the calendar.
Dating clues
- Triple-date wristwatches: popular c. 1940–1955.
- Perpetual calendar wristwatches: from 1925 (unique) and 1941 (series).
General guidance written by the Atlas editors about this kind of object. It is not a statement about this particular piece; for that, rely on the source record above and on physical examination.
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