
Patek Philippe Advanced Research 5550P Perpetual Calendar UNWORN SEALED
REF: 5550P-001
Stock Number: 59221
SOLD
Condition
Unworn
Box
Yes
Certificate
Yes
Diameter
37mm
Insure this watch starting at $1,575 per year*
*Actual pricing may vary based on location and other factors. Above pricing is based on coverage in zip code 20001.
Certified Authentic
Every watch is backed by our authenticity guarantee.
Why Collectors Love This
Patek Philippe Advanced Research Perpetual Calendar 5550P 001, 5550P-001, 5550 P, Released in 2011 and Limited Edition to total 300 pieces, 950 platinum case on a strap with a platinum deployant clasp, automatic Patek Philippe calibre 240 Q Si movement, 70-hour power reserve, "Oscillomax" silicon escapement system, "GyromaxSi balance wheel, "Pulsomax" escape wheel and lever, "Spiromax" balance spring, perpetual calendar, day, date, month, moon phase, silver dial with vertical brushing and applied gold hour markers, gold luminous hands, sapphire crystal, display back with magnifying lens over the escapement, sapphire crystal, display back, water resistant to 30 meters. Diameter: 37mm, Thickness: 9mm. Unworn and still double factory sealed, with Patek Philippe winding box, extra Platinum case-back, pusher tool and Patek Philippe papers dated 2012.
The Set
- Patek Philippe Box
- Original Certificate
- Undated
- EWC Certificate & Warranty
- Included
Specifications
- Reference
- 5550P-001
- Model
- Advanced Research 5550P Perpetual Calendar UNWORN SEALED
- Height
- 37mm
- Width
- 37mm
- Thickness
- 9mm
- Depth Rating
- 30m
- Movement
- Automatic
- Case Material
- Platinum
- Strap Material
- alligator
- Dial Color
- silver
- Complications
- Grand Complication, Calendar, Moonphase
European Watch Company Commitment

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Certified by experts

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2-Day Returns
Easy returns policy

1-Year Warranty
Limited warranty
Shipping
Watches are delivered worldwide with complimentary FedEx Priority Express service and are insured for safe, secure, and fast arrival.
Global delivery: We ship worldwide with full insurance coverage and tracking.
Secure handling: Each watch is carefully and discreetly packed with protective materials, maintaining security and privacy.
Delivery timeline: Most domestic orders arrive the next day with FedEx Priority Express. International shipments typically take 2-4 business days, depending on Customs processing.
Trading
Thinking about trading in your watch? It’s easy! Reach out to our watch specialists to get a free shipping label and details on how we’ll handle your trade-in.
Free Shipping: We provide a prepaid FedEx Priority Express shipping label.
Secure Handling: Send your watch in its original box with protective packaging.
Fast Payment: Once we receive your watch, we will send payment by bank transfer or overnight check to your address, whichever you prefer.
For more detailed instructions, click here to view our full trade-in process.
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