Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Openworked Platinum

Reference 25829PT.OO.0944PT.01

About this watch

The Audemars Piguet Royal Oak Perpetual Calendar Openworked Platinum is a masterpiece of watchmaking, blending tradition and innovation in a harmonious blend of style and precision. This stunning timepiece boasts an intricate openworked movement, manually finished with polished bevels, satin-brushed edges, and perlage on the recesses. The platinum construction exudes luxury, while the see-through dial offers an unobstructed view of the inner workings. With a 40-hour power reserve and automatic adjustment for leap years and varying month lengths, this watch is not just a timekeeper but a testament to Audemars Piguet's technical mastery. The moon phase complication adds a poetic touch, while the lack of indexes creates a stunning visual effect. Measuring 39.00 mm in diameter and 9.30 mm in height, this watch is versatile enough for both men and women. Whether dressed formally or casually, it completes any look with sophistication.

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Key Features

Audemars Piguet caliber AP 2120 / 2802 movement
Platinum construction and openworked design
See-through dial and intricate inner workings
40-hour power reserve and automatic date adjustment
Moon phase complication and poetic touch
Feuille-style hands and lack of indexes
39.00 mm diameter and 9.30 mm height

Specifications

Brand

Audemars Piguet

Family

Royal Oak

Model

Royal Oak Perpetual Calendar Openworked Platinum

Reference

25829PT.OO.0944PT.01

Movement

ap-2120-2802

Movement Features

Hours, Minutes
Date, Day, Leap Year, Month, Perpetual Calendar
Moonphase

Case

39mm

Dial Color

See-through

Crystal

Sapphire

Water Resistance

Current Listings

Audemars Piguet Royal Oak Offshore Chronograph 42mm Stainless Steel “Batman” on hornback strap - 2020 Complete set

Audemars Piguet - 26470ST.OO.A028CR.01 · $25,900

This stunning Audemars Piguet Royal Oak Offshore Chronograph features a black dial with navy subdials, a 42mm stainless steel case, and a matching hornback leather strap. It's powered by the Calibre 3126 / 3840 movement, has a 50-hour power reserve, sapphire caseback, and signature “Méga Tapisserie” dial texture.

Condition: Excellent overall
Case size: 42mm diameter
Water resistance: 100m depth rating
Movement: AP Calibre 3126 / 3840 automatic chronograph

Posted at

Nov 10, 2025, 10:08 AM

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Audemars Piguet Royal Oak Offshore 42mm ref 26470ST Box & Papers!

Audemars Piguet - 26470ST.OO.A101CR.01 · $21,947

This Audemars Piguet Royal Oak Offshore features a 42mm stainless steel case with an octagonal bezel, black dial with red accents and luminous Arabic numerals, chronograph subdials at 6, 9, and 12 o'clock, date window at 3 o'clock, and a rubber strap secured by a pin buckle.

Condition: Very good condition
Case size: 42mm
Strap material: Rubber

Posted at

Nov 10, 2025, 12:01 AM

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[US] Audemars Piguet Royal Oak Offshore Diver Steel Green Dial 42mm - Full Set AP 15720ST 2023

Audemars Piguet - 15720ST

Posted at

Nov 7, 2025, 8:58 AM

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[US] Audemars Piguet Royal Oak Offshore Diver Steel Green Dial 42mm - Full Set AP 15720ST 2023

Audemars Piguet - 15720ST

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Nov 7, 2025, 8:57 AM

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[US] Audemars Piguet Royal Oak Selfwinding 37mm Silver Dial - AP 15550SR Complete Set 2023

Audemars Piguet - AP 15550SR

Posted at

Nov 7, 2025, 8:52 AM

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[US] Audemars Piguet Royal Oak Perpetual Calendar 41mm Blue Dial - AP 26574ST

Audemars Piguet - 26574ST

Dial color: blue

Posted at

Nov 7, 2025, 8:35 AM

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Audemars Piguet Royal Oak Offshore "SAFARI" w/ 18-Month Warranty & 3 Straps

Audemars Piguet - 26020ST.OO.D091CR.01 · $17,895

This Audemars Piguet Royal Oak Offshore 'Safari' features a cream-colored dial with a 'Méga Tapisserie' pattern and luminous hands, powered by AP's in-house self-winding mechanical movement.

Condition: Excellent with minor blemish on the bezel
Movement type: In-house self-winding mechanical
Power reserve: 40 hours
Warranty: 18-month warranty from Horologix

Posted at

Nov 6, 2025, 11:11 AM

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Audemars Piguet Royal Oak Chronograph Yellow Gold Green Dial 41mm 26331BA.OO.1220BA.02

Audemars Piguet - 26331BA.OO.1220BA.02 · $199,000

This stunning Royal Oak Chronograph has a yellow gold case with a rich green dial, one of only 125 pieces ever made.

Condition: like new
Movement type: Mechanical (Automatic)
Jewels: 37
Power reserve hours: 40

Posted at

Nov 6, 2025, 8:44 AM

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Audemars Piguet Royal Oak Offshore 26400SO Panda Dial 44mm 2016 Full Set

Audemars Piguet - 26400SO.OO.A002CA.01 | 26400SO · $20,990

This is an excellent example of a very wearable and versatile 44mm Offshore model with a stainless steel case, automatic chronograph movement, and 50 hour power reserve.

Condition: Excellent, near mint pre-owned condition
Case size: 44mm diameter
Movement: Calibre 3126/3840
Power reserve: 50 hour power reserve

Posted at

Nov 5, 2025, 12:57 PM

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