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

Vintage Seiko Sports 150 – Alarm Chronograph – 😏 “Poor Man’s AP Royal Oak” 😏 – 7T34-7A10 – $245 Shipped

Seiko - 7T34-7A10 · $245

This vintage Seiko Sports 150 is a quartz-powered chronograph with date display and alarm functions, housed in an approximately 44mm case.

Condition: Poor condition with signs of wear and fading
Case size: approximately 44mm diameter
Bracelet length supported: up to 8 inches

Posted at

Feb 21, 2026, 5:38 PM

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Audemars Piguet Royal Oak Offshore Chronograph 42mm Champagne Gold Dial 26470OR.OO.A002CR.01 "Half Brick”

Audemars Piguet - 26470OR.OO.A002CR.01 · $31,950

This listing is for an Audemars Piguet Royal Oak Offshore Chronograph with a champagne gold dial, 42mm case size, and various other features. The watch is described as being in very good condition, with minor flaws noted. Additional details are available upon request.

Condition: Very good, with minor marks and wear
Material: Gold

Posted at

Feb 20, 2026, 10:38 AM

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Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

Audemars Piguet - 26405NR.OO.A002CA.01 · $47,495

This Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial is a 44mm rose gold and black ceramic masterpiece with a smoked grey dial, featuring a chronograph, date, small seconds, and water resistance of 100m.

Condition: like new
Case size: 44mm diameter
Case material: ceramic
Bezel material: 18k rose gold

Posted at

Feb 20, 2026, 9:10 AM

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[US] Audemars Piguet Royal Oak ‘Jumbo’ Blue Dial 39mm Stainless Steel 15202st - $63,500

Audemars Piguet - Royal Oak 'Jumbo' Blue Dial 39mm Stainless Steel 15202st · $63,500

This listing is for a used Audemars Piguet Royal Oak 'Jumbo' with a blue dial, made of stainless steel. The watch features a 39mm case size.

Posted at

Feb 19, 2026, 2:37 PM

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Audemars Piguet Royal Oak Offshore 15710ST Complete Set w/Box and Papers

Audemars Piguet - 15710ST · $16,995

This Audemars Piguet Royal Oak Offshore is a stainless steel watch with a white Mega Tapisserie dial and iconic octagonal bezel. It features an automatic Caliber 3120 movement, approximately 60-hour power reserve, and 300m water resistance.

Condition: Excellent Pre-Owned Condition
Case material: stainless steel
Dial type: white Mega Tapisserie
Bezel material: stainless steel with exposed hexagonal screws

Posted at

Feb 18, 2026, 3:52 PM

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2024 Audemars Piguet Royal Oak Chronograph 26240CE — Brand New Condition, Box & Papers

Audemars Piguet - 26240CE · $112,000

The Audemars Piguet Royal Oak Chronograph showcases the iconic Royal Oak design executed in full black ceramic, delivering a bold yet refined presence. Featuring the signature “Grande Tapisserie” dial and in-house flyback chronograph movement, it blends cutting-edge materials with AP’s legendary craftsmanship.

Condition: Brand new
Case Material: Full black ceramic
Diameter: 41mm
Lug To Lug: 51.4mm

Posted at

Feb 18, 2026, 8:06 AM

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2023 Audemars Piguet Royal Oak Offshore Chrono 42mm 26238ST Blue Dial - $39,850

Audemars Piguet - 26238ST.OO.A340CA.01 · $39,850

The seller is listing a 2023 Audemars Piguet Royal Oak Offshore Chronograph in stainless steel with a blue dial and black counters.

Condition: Excellent overall condition
Case size: 42mm diameter
Material: Stainless Steel
Strap material: Blue rubber and Black Calfskin leather

Posted at

Feb 17, 2026, 1:16 PM

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Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

Audemars Piguet - 26238CD.OO.1300CD.01 · $120,995

This Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 is a brand-new 2025 release with a bold design and unmistakable Offshore character, featuring a blue ceramic build and 42 mm case.

Condition: Like new
Case size: 42 mm
Case material: Blue ceramic with titanium caseback
Bezel material: Ceramic

Posted at

Feb 17, 2026, 8:56 AM

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Audemars Piguet Royal Oak Offshore 44mm - 26401RO.OO.A002CA.02

Audemars Piguet - 26401RO.OO.A002CA.02

Size: 44mm case diameter

Posted at

Feb 16, 2026, 9:12 PM

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