AWCo Dinsdag 21 juli2103AWCo Dinsdag 21 juli2103

Audemars Piguet Quantieme Perpetual Calendar Ref. 25657BA Full Set

We are proud to present this stunning Audemars Piguet Perpetual Calendar in 18k yellow gold.

This beautifully elegant 36mm watch from one of the holy trinity watchmakers (Audemars Piguet, Patek Philippe, Vacheron Constantin) houses a perpetual calendar movement under 4mm thick! The Jeager-leCoultre caliber is fitted with a Depraz perpetual calendar module, resulting in a very impressive complicated watch.

The bright white dial forms a beautiful stark contrast with the warmth of the 18k yellow gold case. This is a near-perfect execution of a classical watch design.

This specimen comes complete with the original box, papers, AP service papers, and an original AP winder (solar cell no longer works, but it runs perfectly on battery). If you are looking for a complicated watch from one of the best houses in the business, look no further than this!


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Brand Audemars Piguet
Diameter 36 mm
Model Perpetual Calendar
Bracelet/strap: Leather
Reference 25657BA
Buckle/clasp Original gold folding clasp
Year of production (circa) 1985
Lug Width 20 mm
Material 18k Yellow gold
Set Content Original box, papers & service papers, Original winder
Crystal Sapphire
Warranty 2 year (AWCo)
Dial color White
Movement Automatic

Audemars Piguet was founded by Jules Louis Audemars and Edward Auguste Piguet in 1875. The name Audemars Piguet & Cie was registered in 1881. AP is regarded as one of the holy trinity watchmakers, together with Patek Philippe and Vacheron Constantin.

Audemars Piguet has a rather impressive list of innovations to its name. From the world’s first minute-repeater wristwatch movement (1892), to the first jump-hour wristwatch (1921) and the first skeletonized watch (1934).

AP is particularly skilled at making thin movements. In 1946, they set the record for the worlds thinnest watch caliber at 1,64mm’s. They would later repeat their thinness-record-breaking habit with a tourbillon movement and later with the world’s thinnest automatic perpetual calendar.

Audemars Piguet is well known for its formal watches. From the Calatrava style watches of the early 20th century, to the elaborate haute-horology marvels of today. Their single most successful watch is something else entirely though: the Royal Oak.

The Royal Oak singlehandedly saved Audemars Piguet and much of the high-end Swiss watchmaking industry in 1972, by providing an answer to cheap quartz watches: the luxury steel sports watch. A design by Gerald Genta that would set a template for everyone. Since then, every watchbrand strives for a hit sports watch in steel. It is the horological equivalent to the Christmas hitsong.

AP has been particularly successful with the Royal Oak’s many variations since. From precious metal and complicated variants, to the more brutalist Royal Oak Offshore line. But even if you look beyond the sports models, there are many highly refined gems in both the current lineup as well as throughout the house’s illustrious history.

If a Rolex is like a Porsche, then an Audemars is like a Rolls Royce. It is every bit of luxury dialed up to eleven in an elegant, old-world kind of way. It is equal parts tradition and craftsmanship. If that speaks to you, look no further!


At AWCo we put the safety of our shipments upfront at all times. Therefore, we ship all our packages insured.

We strive to promptly handle packages to minimize delays. Delivery times begin from the day of dispatch. While we make every effort to ensure smooth delivery, we cannot be held responsible for delays caused by destination customs, local duties, taxes, or lost items during transit.

Certainly, we understand that overloaded mail-order companies can also contribute to potential delays in the delivery process. Despite our best efforts, external factors beyond our control may affect shipping times. Rest assured, we remain committed to providing timely service and will work diligently to ensure your order reaches you as promptly as possible. For any inquiries or updates, feel free to reach out to us at Your satisfaction is our priority.


Audemars Piguet




Year of production (circa)



18k Yellow gold



Dial color





36 mm




Original gold folding clasp

Lug Width

20 mm

Set Content

Original box, papers & service papers, Original winder