Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945

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Brand: Patek Philippe
Model: Perpetual Calendar
Reference: 3945J
Year: 1991
Material: 18k YG
Dial Color: Silver
Dimensions: 36 mm
Watch Movement: Self-Winding
Bracelet/Strap: Yellow Gold (180 mm)
Box/Paper: Archive Paper
Condition: Fantastic Original Condition with Clear, Deep Hallmarks
SKU: 194442
The Patek Philippe Perpetual Calendar Ref. 3945 was introduced in 1985 and produced through 1998 as a bracelet alternative to the 3940, another icon in the brands catalogue. These watches feature a classically designed perpetual calendar dial with the day and 24 hour subdial at 9 oclock, a moonphase and date display at 6 oclock and month and leap year indicator at 3 oclock. The example offered here is a beautiful yellow gold variation with a 18cm bracelet and second series dial. This watch comes with an Extract from the Archive noting a production year of 1990 and sale in February of 1991.

Please feel free to get in touch with any questions. The best way is to email us at hello@thekeystone.com or text/call (213) 632-9061

If you are interested in selling or trading your watch, please include as much information as possible, as well as photos. You may also email photos to hello@thekeystone.com 

When a watch is purchased, our watchmaker will perform a thorough inspection of the movement and perform a number of tests to ensure the watch is functioning in top condition before shipping. This process can take 7-10 business days. 

Once your watch is ready, watches shipped within the United States are sent via insured FedEx Overnight and will arrive the next day. We will send over tracking information once the watch ships. 

International shipping can take a number of days considering customs and travel. Straps made from exotic materials banned for import will be removed from the watch prior to shipping.

We know it can be difficult be completely certainly that a watch's condition, size or shape is what you are looking for. 

We provide a 5 day inspection period from delivery so that you may receive the watch and decide if it is right for you. 

This is not a trial period; our watches are well documented and any wear or damage will be deducted from the return amount. 

At The Keystone, we accept payment via Credit Card, Bank Transfer and major Cryptocurrency Coins. Please reach out via email with any questions about payment to Hello@thekeystone.com

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