26240ST Audemars Piguet Royal Oak
The Audemars Piguet Royal Oak 26240ST is the modern successor to the legendary Royal Oak Chronograph line—a seamless blend of sport, sophistication, and horological heritage. Show more
With its integrated bracelet, brushed steel case, and signature Grande Tapisserie dial, this watch captures the essence of the Royal Oak while introducing Audemars Piguet’s latest-generation self-winding movement.
About the Audemars Piguet Royal Oak 26240ST
Introduced in 2022, the 26240ST replaced the 26331ST, bringing subtle refinements and an upgraded in-house caliber. It features the newly developed Caliber 4401, a fully integrated chronograph movement with a 70-hour power reserve and flyback function—making it one of AP’s most advanced steel chronographs to date.Key Specifications
- Reference: 26240ST
- Case Size: 41 mm Stainless Steel
- Case Thickness: 12.4 mm
- Movement: Caliber 4401, automatic, integrated chronograph
- Power Reserve: 70 hours
- Dial Options: Blue, Black, Silver and Green.
- Bracelet: Integrated Stainless Steel with AP folding clasp
- Water Resistance: 50 m / 165 ft
- Retail Price: $40,500 USD
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Ref. 26240ST.OO.1320ST.07
Audemars Piguet Royal Oak 26240ST.OO.1320ST.07 Automatic Chronograph
$52,900.00
Ref. 26240ST.OO.1320ST.06
Audemars Piguet Royal Oak 26240ST.OO.1320ST.06 Selfwinding Chronograph
Price on request
Ref. 26240ST.OO.1320ST.04
Audemars Piguet Royal Oak 26240ST.OO.1320ST.04 Selfwinding Chronograph “50th Anniversary” Stainless Steel Watch. - 2022
Sold — ask about similar
Ref. 26240ST.OO.1320ST.05
Audemars Piguet Royal Oak 26240ST.OO.1320ST.05 Automatic Chronograph Blue Dial
Sold — ask about similar
Ref. 26240ST.OO.1320ST.08
Audemars Piguet Royal Oak 26240ST.OO.1320ST.08 41mm Stainless Steel Watch Green Dial 2023
Sold — ask about similar
AP 26240ST Price
The cost of a Royal Oak 26240ST in our store ran ges from $52,900 to $66,999 dependiong on the condition of the timepiece. The Audemars Piguet 26240ST retail price is $44,400 USD.< Shop All AP 26240
Audemars Piguet Royal Oak 26240ST Average Price Chart
26240ST • Last 12 months • Average
Over the last 12 months the average price for Audemars Piguet Royal Oak 26240ST at Watch My Diamonds ranged from $61,453 (Oct 2025) to $63,590 (Jan 2026), averaging $63,080 across 12 tracked months. The current average is $63,299.33, based on 3 priced listings.