Audemars Piguet 15400ST

The Audemars Piguet Royal Oak 15400ST is the stainless steel, 41 mm three-hand date reference that served as the modern cornerstone of the iconic Royal Oak line for men, offered here across its most sought-after dial configurations including black, blue, white, and slate grey. Powered by AP's in-house automatic movement, the 15400ST retains the signature octagonal bezel with exposed hex screws, integrated bracelet, and Grande Tapisserie dial pattern that have defined the Royal Oak since Gérald Genta's original 1972 design. References such as 15400ST.OO.1220ST.01, 15400ST.OO.1220ST.02-1, 15400ST.OO.1220ST.03, and 15400ST.OO.1220ST.04 represent the full breadth of this collection and remain among the most actively traded luxury sport watches on the secondary market. Bizak and Co. carries authenticated 15400ST examples that are inspected, verified, and ready to ship.

About the Audemars Piguet Royal Oak 15400ST

The 15400ST succeeded the long-running 15300ST as AP's flagship 41 mm stainless steel Royal Oak, bringing a refined movement and updated case finishing while preserving the watch's unmistakable integrated bracelet and brushed and polished surface contrasts. The reference number suffix 1220ST identifies the stainless steel bracelet pairing, and the final digits distinguish each dial color, with .01 denoting black, .02 denoting white, .03 denoting blue, and .04 associated with slate grey, which also appears on a chronograph variant within the 15400 family. The Royal Oak's position as a pioneer of the luxury sports watch category means the 15400ST carries both horological significance and strong collector demand, making it a benchmark reference when buyers search for an Audemars Piguet Royal Oak for sale in steel.

What to Look For

Buyers comparing 15400ST references should pay close attention to dial color preference first, as each variant carries distinct secondary market premiums, with blue and black dials historically commanding the broadest demand among collectors looking to buy an AP Royal Oak 41 mm. Condition of the bracelet, presence of original box and papers, and the quality of the brushed and polished finishing on the case are the key value drivers across all 15400ST examples.

Frequently Asked Questions

What is the case size of the Audemars Piguet Royal Oak 15400ST?

The Royal Oak 15400ST measures 41 mm in diameter in stainless steel, making it the larger of the two principal three-hand Royal Oak sizes. This 41 mm case replaced the earlier 15300ST and is the reference most commonly sought by buyers looking for a full-size AP Royal Oak in steel.

What dial colors are available in the 15400ST collection?

The 15400ST was produced in black, blue, white, and slate grey dials, all featuring AP's signature Grande Tapisserie pattern. Bizak and Co. carries multiple dial variants, so buyers can compare options across the full 15400ST range before purchasing.

Is the 15400ST still in production, and does that affect its value?

Audemars Piguet has transitioned to successor references in the Royal Oak lineup, meaning the 15400ST is now acquired exclusively on the pre-owned and certified secondary market. Its discontinued status combined with enduring collector demand generally supports strong resale values, particularly for examples with box and papers in excellent condition.

Browse also: Audemars Piguet collection.

Buy, trade, or sell. Contact Bizak & Co. for pricing and availability on any reference in this collection.