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  • Manufacturer: Patek Philippe
    Year: Circa 2005
    Reference No: 5250
    Movement No: 3'636'099
    Case No: 4'339'232
    Model Name: Advanced Research Annual Calendar
    Material: 18k white gold
    Calibre: Automatic, 315/266, 36 jewels
    Bracelet/Strap: Black Patek Philippe crocodile leather strap
    Clasp/Buckle: 18k white gold Patek Philippe folding deployant clasp
    Dimensions: 39 mm. diameter
    Signed: Case, dial and movement signed
    Accessories: With Patek Philippe Certificate of Origin dated December 2005, service receipt, setting pin, product literature, instruction manual, leather wallet, fitted presentation box and outer packaging.

  • Catalogue Essay

    The 5250 Advanced Research model was the first of the revolutionary Advance Research series. There have been three subsequent references, where upgrades have been made to the movement based on the use of Silicium or Silinvar. The reference 5250 cased in white gold and fitted with an annual calendar mechanism was the first in the series and was made in a limited edition of 100 examples only and released to the market in 2005. The movement of the present reference has an escape wheel made of Silinvar, which does not require any lubrication.

    The present watch, complete with all accessories, is the most sought after of the Advance Research series and has been kept in original condition.

  • 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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Σ346

Ref. 5250
A fine and rare white gold limited edition annual calendar wristwatch with sweep centre seconds, power reserve, moon phases, silicon escape wheel, original certificate and fitted presentation box

Circa 2005
39 mm. diameter
Case, dial and movement signed

Estimate
HK$480,000 - 800,000 

Contact Specialist
Thomas Perazzi
Head of Watches, Asia
+852 2318 2030
[email protected]

Ziyong Ho
Specialist
+852 9386 2032
[email protected]

Jill Chen
Specialist
+852 2318 2033
[email protected]

The Hong Kong Watch Auction: ONE

Hong Kong Auction 1 December 2015 11am