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All variations of the Perpetual Calendar :

Perpetual Calendar 3940

3940G Perpetual Calendar in White Gold on Black Crocodile Leather Strap with White Dial

3940G Perpetual Calendar in White Gold on Black Crocodile Leather Strap with White Dial

Reference Number : 3940/G

Item ID - 14625

Case - 18KT White Gold Case Size - 36mm Movement - Automatic

Dial - White Dial Bracelet - Black Crocodile Leather

Perpetual Calendar in Platinum on Black Crocodile Leather Strap with Silver Dial

Perpetual Calendar in Platinum on Black Crocodile Leather Strap with Silver Dial

Reference Number : 3940P

Item ID - 17098

Case - Platinum Case Size - 36mm Movement - Automatic

Dial - Silver Bracelet - Black Crocodile Leather Strap

3940J Perpetual Calendar in Yellow Gold on Black Alligator Leather Strap with White Dial - Discontinued Model

3940J Perpetual Calendar in Yellow Gold on Black Alligator Leather Strap with White Dial - Discontinued Model

Reference Number : 3940J

Item ID - 20690

Case - Yellow Gold Case Size - 36mm Movement - Automatic

Dial - White Dial with Moonphases, Day and Date Bracelet - Black Alligator Leather Last Known Retail Price - $61,900

3940 Perpetual Calendar in Rose Gold on Black Crocodile Leather Strap with Silver Dial

3940 Perpetual Calendar in Rose Gold on Black Crocodile Leather Strap with Silver Dial

Reference Number : 3940R

Item ID - 20691

Case - 18KT Rose Gold Case Size - 36mm Movement - Automatic

Dial - Silver Bracelet - Strap with 18KT Rose Gold Deployant Buckle Last Known Retail Price - $66,500

3940J Perpetual in Yellow gold on Strap with Silver Arabic Dial

3940J Perpetual in Yellow gold on Strap with Silver Arabic Dial

Reference Number : 3940J

Item ID - 58722

Case - 18KT Yellow Gold Case Size - 36mm Movement - Automatic

Dial - White Dial with Moonphases, Day and Date Bracelet - Strap with 18KT Yellow Gold Deployant Buckle Last Known Retail Price - $61,900

3940J 2nd Series - Perpetual Calendar Yellow Gold on Strap

3940J 2nd Series - Perpetual Calendar Yellow Gold on Strap

Reference Number : 3940J_2nd_series

Item ID - 64659

Case - 18KT Yellow Gold Case Size - 36mm Movement - Automatic

Dial - Silver Dial Bracelet - Brown Strap Last Known Retail Price - $61,900

Perpetual Calendar 36mm Automatic in Yellow gold On Black Alligator Leather Strap with White Roman Dial

Perpetual Calendar 36mm Automatic in Yellow gold On Black Alligator Leather Strap with White Roman Dial

Reference Number : 3940J-025

Item ID - 70764

Case - Yellow gold Case Size - 36mm Movement - Automatic

Dial - White Roman Bracelet - Black Alligator Leather

Perpetual Calendar 36mm Automatic in Yellow gold On Black Alligator Leather Strap with White Roman Italian Dial

Perpetual Calendar 36mm Automatic in Yellow gold On Black Alligator Leather Strap with White Roman Italian Dial

Reference Number : 3940J

Item ID - 94824

Case - Yellow gold Case Size - 36mm Movement - Automatic

Dial - White Roman Italian Bracelet - Black Alligator Leather

Perpetual Calendar 36mm Automatic in Rose Gold On Brown Alligator Leather Strap with White Dial

Perpetual Calendar 36mm Automatic in Rose Gold On Brown Alligator Leather Strap with White Dial

Reference Number : 3940R-018

Item ID - 96494

Case - Rose Gold Case Size - 36mm Movement - Automatic

Dial - White Bracelet - Brown Alligator Leather

Patek Philippe Perpetual Calendar

Produced only from 1985 to 2006, the Patek Philippe Perpetual Calendar 3940 is probably the model that best exemplifies everything that the brand stands for -- timeless elegance, excellent craftsmanship, and superb complication. The Patek Philippe 3940 features a perpetual calendar with moon phase, day and date functions, as well as programming for leap years. It is powered by a self- winding movement housed within a 36 mm case that is available in platinum, 18kt yellow gold, rose gold, or white gold.