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Exact reference

Audemars Piguet Royal Oak 15500 Stainless Steel / Black

15500ST.OO.1220ST.03 Historical / ownership-only

Licensed benchmark ownership-only historical identity

Case

Dimensions and fit

direct
Case length41 mm
Case width / diameter41 mm
Case thickness10.5 mm
Lug-to-lugNot recorded
Lug widthNot recorded
Water resistanceNot recorded

The dimension basis is not currently recorded.

Open dimension source ↗
Movement

Calibre and mechanism

Automatic
Calibre4302
Normalized calibre4302
GenerationNot recorded
Power reserveNot recorded
Open movement source ↗
Technical data

Conventional winding

Linked to sourced calibre programme
ApplicabilityRequired
DirectionBoth
TPD minimum650
TPD target650
TPD maximum650

Conventional winding fields are evidence-linked reference data. They are separate from any device-specific axial-control profile.

Open winding source ↗
Market context

Market-value disposition

2026-08-18

USD 39187

Market observations are separate from manufacturer specifications and are not used to fill technical gaps.

Open market source ↗