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 41MM Selfwinding Black Dial Steel 15400ST.OO.1220ST.03

Audemars Piguet - 15400ST.OO.1220ST.03

Posted at

Nov 13, 2025, 11:10 AM

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[WTS] Audemars Piguet Royal Oak Nick Faldo LE 36mm Steel 15190SP.OO.0789ST.01 Full Set

Audemars Piguet - 15190SP.OO.0789ST.01 · $19,000

This Audemars Piguet Royal Oak Nick Faldo Limited Edition features a stainless steel case and black dial.

Condition: Nice preowned condition with light scratches, needs service or regulation
Case Dimensions: 36mm diameter
Max Wrist Size: 7.5 inches

Posted at

Nov 11, 2025, 7:29 PM

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Audemars Piguet AP Royal Oak Offshore Navy Chronograph 42mm Blue Dial 26470ST

Audemars Piguet - 26470ST.OO.A027CA.01 | 26470ST · $20,650

The AP Royal Oak Offshore Navy in 42mm is a versatile offshore model with aggressive Gen 2 case profiling and dial facelift, featuring a stainless steel case and Calibre 3126/3840 movement.

Condition: Very good pre-owned condition with light wear on the case and bezel consistent with age and use
Case size: 42mm
Water resistance: no specific depth rating mentioned
Movement type: Calibre 3126/3840

Posted at

Nov 11, 2025, 6:54 PM

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[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Blue “Beast” - AP 26237ST Full Set

Audemars Piguet - 26237ST

The Royal Oak Offshore Chronograph 42mm Blue 'Beast' is a high-end timepiece featuring a blue dial and a stainless steel case.

Movement: Calibre 3126/3840 movement

Posted at

Nov 11, 2025, 1:24 PM

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AP Royal Oak Offshore Box & Papers Great Condition 26420TI.OO.A027CA.01

Audemars Piguet - 26420TI.OO.A027CA.01 · $32,000

This is a clean example of a hard-to-find titanium Offshore that wears beautifully and has great wrist presence without the weight of steel.

Condition: Excellent overall
Material: Titanium
Diameter: 43mm
Case Material: Titanium

Posted at

Nov 10, 2025, 8:06 PM

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2023 Audemars Piguet Royal Oak Offshore Chronograph 26238ST.OO.A340CA.01 Baby Blue Dial w/ Box, Archives, & Extra Strap

Audemars Piguet - 26238ST.OO.A340CA.01 · $42,000

A 2023 Audemars Piguet Royal Oak Offshore chronograph featuring a baby blue tappiserie dial and two strap options, one of which is a brand new factory white rubber strap.

Condition: Excellent pre-owned condition
Case size: 42mm diameter
Band material: baby blue & white rubber straps
Clasp type: AP tang buckle

Posted at

Nov 10, 2025, 6:42 PM

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AP royal oak ref. 6009SA - 28x38mm quartz. Amazing condition, $9700 shipped. No trades.

Audemars Piguet - 6009SA · $9,700

The watch is a quartz version of the Royal Oak in a 28x38mm case.

Condition: Amazing
Case Size: 28x38mm

Posted at

Nov 10, 2025, 5:15 PM

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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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