Audemars Piguet Royal Oak Ref. 5402BA “B-Series” – 39mm

Audemars Piguet Royal Oak Ref. 5402BA “B-Series” – 39mm

Offered for sale is the legendary Audemars Piguet Royal Oak Ref. 5402BA, the iconic “Jumbo” Extra-Thin in 18K yellow gold, featuring the original 39mm case designed by Gérald Genta. This highly collectible example is from the sought-after B-Series, representing one of the earliest executions of the Royal Oak in precious metal.

The watch is pre-owned and comes complete with original box and papers dated 2015, enhancing its desirability and collectibility. The 5402BA is celebrated for its ultra-thin profile, integrated yellow-gold bracelet, and unmistakable petite tapisserie dial, making it one of the most important luxury sports watches ever produced.

Watch Details

• Reference: 5402BA

• Series: B-Series

• Case Size: 39 mm

• Case Material: 18K Yellow Gold

• Bracelet: Integrated 18K Yellow Gold Royal Oak Bracelet

• Dial: Yellow Gold Petite Tapisserie

• Crystal: Sapphire

• Condition: Pre-Owned

• Set: Box & Papers (2015)

Movement Details

• Movement Type: Automatic, Extra-Thin

• Caliber: AP Caliber 2121

• Functions: Hours, minutes, date

• Finishing: High-grade haute horlogerie finishing with engraved gold rotor

• Reputation: One of the finest and most respected ultra-thin automatic movements ever produced

A cornerstone of modern horology, the Royal Oak 5402BA B-Series is a true grail piece—combining historical importance, precious-metal execution, and enduring design. Complete examples remain scarce and highly sought after by serious collectors.

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