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Important Modern & Vintage Timepieces.

Hong Kong, October 27, 2018

LOT 113

PATEK PHILIPPE REF. 5550P, PLATINUM PERPETUAL CALENDAR (300 PIECES) (FACTORY SEALED)

Platinum self-winding, perpetual calendar wristwatch with silicon escape wheel.

Brand Patek Philippe

Model Advance Research

Reference Ref. 5550P

Year 2013

Caliber 240 Q

Bracelet leather strap with Platinum Patek Philippe deployant clasp

Accessories Original fitted box, certificate of origin, attestation pf limited edition, and a leather folder with instruction booklets

Dimensions Ø 40 mm.

Signed Dial, Case and Movement

HKD 625,000 - 850,000

CHF 78,000 - 107,000 / USD 80,000 - 110,000

Sold: HKD 812,500


Grading System
Grade: Logo grading

Exceptional

Case: 1

As new

Movement: 1*

As new

Overhaul recommended, at buyer's expense

Dial: 1-01

As new

HANDS Original


Notes

Patek Philippe "Advance Research" Since the birth of watchmaking in medieval times, many metals - even natural materials such as wood or ivory - have been used in the manufacture of movements of clocks and watches. The 19th century was the century in which watchmakers focused their attention on the development of synthetic oils that will allow their timepieces to stand the test of time, while the first half of the 20th century will find "Definitive" solutions - still used today - and that only the quartz revolution will hurt as it has damaged the whole of the watch industry. Since the revival of mechanical watchmaking in the late 1980's, the use of new materials in the construction of watch movements has not been the main focus of watchmaking. Yet at the dawn of the new millennium, interest in this issue reappears. In 2001, the Swiss watch industry - consisting of Patek Philippe, Ulysse Nardin, The Swatch Group, Rolex and the Swiss Center for Electronics and Micro-Technology - in a joint effort, aims to develop and introduce into the production of their movements a new material called "silicium". The benefit of using "silicium" can enhance the efficiency of time-keeping as it is non-magnetic, resistant to corrosion and shock and does not require excessive amount of lubrication, A... what many watchmakers have dreamed about in the past!