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Audemars Piguet Royal Oak 34mm (77350, 77351) Guide, Specs & Value | Ultimate Watch

The Royal Oak 34mm Selfwinding is the watch Audemars Piguet used to close the door on quartz in the Royal Oak line. It landed in 2021 as the first 34mm Royal Oak to carry a mechanical self-winding movement, stepping in one millimeter up from the 33mm quartz reference that had served that size slot for decades. We buy and sell these across the counter at 19 W 47th Street every month, and the pitch is simple: it is a full-blooded Royal Oak, octagonal bezel, eight hexagonal screws, integrated tapered bracelet, Grande Tapisserie dial, in a case size that lands mid-wrist on most people instead of eating the whole wrist. The steel reference is 77350ST, the ceramic is 77350CE, and the diamond-bezel steel version is 77351ST. All of them run the in-house-assembled Caliber 5800, a movement built on a Vaucher base that AP finishes to Royal Oak standards. If you have been circling a 41mm or 37mm and it wears a touch large, or you want a mechanical Royal Oak that reads unisex, this is the reference to understand. Bring one in and we will tell you exactly what it is worth today, not last year.

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Specifications

CollectionRoyal Oak Selfwinding 34mm
References Covered77350ST.OO.1261ST.01, 77350CE.OO.1266CE.01, 77351ST.ZZ.1261ST.01
Year Introduced2021
Case Diameter34mm
Case ThicknessApproximately 9.5mm depending on execution
Case MaterialsStainless steel, Black ceramic, Diamond-set steel bezel variant
BezelSignature octagonal Royal Oak bezel secured by eight hexagonal white gold screws; diamond-set variant (77351) carries roughly 40 brilliant-cut diamonds totaling approximately 0.71 carats
CrystalGlareproofed sapphire
CasebackGlareproofed sapphire, movement visible
DialGrande Tapisserie guilloche pattern; silver-toned on 77350ST, black on 77350CE, blue-grey on 77351ST; applied white gold hour markers and Royal Oak hands with luminescent coating
MovementAudemars Piguet Caliber 5800, automatic, built on a Vaucher VMF 3002 base and finished by AP
Frequency28,800 vibrations per hour (4 Hz)
Jewels28
Power ReserveApproximately 50 hours
FunctionsHours, minutes, center seconds, date at 3 o'clock
Water Resistance50 meters
BraceletIntegrated tapered Royal Oak bracelet in matching material with AP folding clasp

History

Iconic References

Buying Guide

Pricing & Market Data

Comparisons

Cultural Significance

Collector's Lore

The quiet story on the 34 is the caliber lineage. The Caliber 5800 is built on a Vaucher base, the VMF 3002, the same Vaucher family that quietly powers movements across several serious houses. Purists who want everything stamped fully in-house will note it; buyers who care about how the watch runs and wears will not, because AP finishes and assembles it to Royal Oak standard and it is a smooth, reliable performer. The other piece of lore is the one-millimeter jump. Going from 33mm to 34mm sounds cosmetic, but it was AP signaling that the small Royal Oak was graduating from quartz to mechanical, a real line in the sand for the collection. And watch the diamond-bezel 77351: with roughly 40 stones near 0.71 carats set at the factory, an original untouched bezel is worth confirming with a loupe, because a re-set or replaced bezel changes both authenticity and value. When in doubt, put it on the counter at 19 W 47th Street and let us look.

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