Tank/Gondolo
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Spectacular Rectangular Patek!
We are delighted to offer you an extremely rare Patek Philippe Reference 3521 in a rectangular and ultra-flat 25x35mm 18K yellow gold case.
The watch itself dates from 1964. The case was replaced by Patek in 1967 due to damage, which is also noted in the extract from the records.
The watch is in overall very good condition. The case has no deep dents or scratches and only shows slight, superficial swirls.
The dial is in excellent condition. No stains, flaking, or damage are visible.
The watch comes without the old gold clasp. The crown was replaced during a previous service.
An extract from the archives from 2021 is included.
AoT Guarantee Certificate
- all watches personally evaluated
- no retouched images
- guaranteed authentic
- free & insured shipping
- 12-month warranty on functionality
This watch has already found a new owner. Join our watchlist – we'll let you know as soon as a comparable model is available.
Specifications
- Serial number
- 1.1XX.XXX
- Year
- 1964
- Case
- 18 K yellow gold
- Strap
- Leather
- Crystal
- Sapphire crystal
- Diameter
- 25 x 35 mm
- Dial
- Silver
- Orig. papers
- No / Excerpt from the archives
- Orig. box
- No / AoT box
- Caliber
- 175, hand-wound
- Warranty
- 1 year
- Condition
- Very good
Our promise
Every watch offered at “Artisans of Time” has been personally selected, inspected, and subjected to several stages of quality control before becoming available in our shop.
Coming soon
Every watch offered at Artisans of Time has been personally selected, examined, and appraised by Linus. After his assessment, the watch is sent to a certified watchmaking workshop. There, the authenticity of the watch is verified once more. This is followed by a functional check for accuracy and water resistance, as well as general maintenance, during which wear parts such as seals are replaced if necessary.
Do you want to sell your watch?
Some watches stay with you for half a lifetime. That makes it all the more important to know exactly what you have when passing them on. We take the time to evaluate your watch and provide you with a transparent assessment of its condition, originality, and market value—via email, WhatsApp, or in person at our shop.
