15500ST.OO.1220ST.01
CurrentRoyal Oak 41 Steel Blue Dial
2019 — present
41mm steel with blue Grande Tapisserie dial. Calibre 4302 with 70-hour power reserve.
Audemars Piguet
37mm (15550) · 39mm (15202 Jumbo) · 41mm (15500/15510)
The Audemars Piguet Royal Oak is the most important watch of the 20th century. When Gérald Genta designed it overnight in 1972 — a stainless steel sports watch priced higher than most gold watches of the era — it shocked the industry and redefined luxury. Its eight-sided bezel with exposed screws, integrated bracelet with alternating brushed and polished surfaces, and Grande Tapisserie dial became an instant design language. Five decades later, those elements remain unchanged in their essentials, which is either a testament to Genta's genius or the ultimate example of a design that cannot be improved upon. The current Royal Oak lineup includes the 41mm Reference 15500ST (Calibre 4302, in-house automatic, 70-hour power reserve), the 39mm 'Jumbo' 15202 (Calibre 2121, ultra-thin, 40-hour power reserve), and the 37mm 15550 for smaller wrists. The 15202 'Jumbo' — closest in spirit to the original 1972 model — is arguably the most coveted of all Royal Oak references. AP produces approximately 50,000 pieces per year total across all models, making any Royal Oak genuinely scarce. Pre-owned examples regularly trade at or above retail for desirable references.
Key References
100%
Authenticated
5,000+
Pieces Sold
25+
Countries
Specifications
| Movement | Calibre 4302 (15500ST) · Calibre 2121 (15202ST) · Calibre 7121 (16202) — automatic |
|---|---|
| Power reserve | 70 hours (4302) · 40 hours (2121) · 55 hours (7121) |
| Water resistance | 50 metres |
| Case material | Stainless Steel · 18ct Yellow / White / Rose Gold · Platinum · Titanium |
| Case diameter | 37mm (15550) · 39mm (15202 Jumbo) · 41mm (15500) |
| Thickness | 10.4mm (15500) · 8.1mm (15202) |
| Lug-to-lug | 47.0mm (15500) |
| Weight | ~155g (15500ST steel) |
| Crystal | Sapphire with anti-reflective coating |
| Bezel | Octagonal with eight visible white gold hex screws |
| Bracelet | Integrated steel/precious metal bracelet with AP butterfly clasp |
Reference Guide
15500ST.OO.1220ST.01
Current2019 — present
41mm steel with blue Grande Tapisserie dial. Calibre 4302 with 70-hour power reserve.
15500ST.OO.1220ST.03
Current2019 — present
41mm steel with black Grande Tapisserie dial.
16202ST.OO.1240ST.01
Current2022 — present
39mm Jumbo with Calibre 7121, replacing the 15202. Blue Petite Tapisserie dial.
15510ST.OO.1320ST.001
Current2021 — present
41mm steel with skeletonised Calibre 4400 — the modern open-worked Royal Oak.
15550ST.OO.1356ST.01
Current2022 — present
37mm steel — first major 37mm Royal Oak in many years.
15202ST.OO.1240ST.01
Discontinued2012 — 2022
39mm Jumbo with ultra-thin Calibre 2121. The most coveted Royal Oak before discontinuation.
15400ST.OO.1220ST.03
Discontinued2012 — 2019
41mm with Calibre 3120 — predecessor to the 15500. Reliable pre-owned value.
Market Price
Current retail (15500ST)
~$31,000
Pre-owned (low)
$42,000
Pre-owned (high)
$95,000
Recently observed
15500ST blue dial trades $42,000–$58,000 with full set; 15500ST black at $40,000–$54,000.
16202ST Jumbo 'Extra-Thin' (current) trades $85,000–$110,000. Discontinued 15202ST Jumbo holds $130,000–$180,000+. 15400ST (previous gen 41) softens to $32,000–$42,000.
History
1972
Royal Oak ref. 5402ST 'A-series' launched at Baselworld at SFR 3,200 — more than a gold dress watch.
1977
Reference 4100 introduces the modern Royal Oak case dimensions.
1992
Royal Oak 14790 — the first 36mm Royal Oak in steel.
2002
Royal Oak 30th anniversary — the 15300 with Calibre 3120 launches.
2012
Royal Oak 40th anniversary — 15400 (41mm) and 15202 (Jumbo) launched.
2019
Reference 15500ST debuts the current generation Royal Oak in 41mm.
2022
Royal Oak 50th anniversary — 16202 'Extra-Thin' replaces the 15202 Jumbo.
Buying Guide
01
The 15500ST in steel offers the modern Calibre 4302 (70hr power reserve) and the iconic Royal Oak design at $42,000–$50,000 pre-owned with full set. It's the most accessible Royal Oak and the most liquid in the secondary market.
02
The 39mm 'Jumbo' references — discontinued 15202 with Calibre 2121 and current 16202 with Calibre 7121 — are the spiritual successors to the 1972 original. Slimmer profile, thinner movement, and stronger collector demand. Trades at significant premium over the 41mm references.
03
Royal Oak bracelets — particularly older references — develop link stretch with age. Examine the bracelet by holding the clasp open and pressing each link transition. Significant play indicates stretch. Bracelet replacement at AP is expensive and slow — factor this into pre-owned pricing.
Sizing
Royal Oak 41 (15500ST) at 47mm lug-to-lug fits wrists 6.5" and up. The 39mm Jumbo (15202/16202) fits virtually any wrist due to its slim profile (8.1mm). 37mm Royal Oak (15550) suits smaller wrists or those who prefer subtle proportions. Stack height of 10.4mm on 15500 slips under most cuffs but is more substantial than a Calatrava.
Compare
Royal Oak Offshore is the bigger, bolder sibling at 42–44mm with chronograph functions and sportier materials. Royal Oak is the elegant original; Offshore is the amplified statement.
Royal Oak Concept is AP's experimental laboratory — exotic materials, complications, and avant-garde design. Royal Oak is the icon; Concept is the laboratory.
In Stock
Audemars Piguet
$50,000 - $60,000
Ref. 15500ST
Audemars Piguet
$40,000 - $50,000
Ref. 15500ST
Audemars Piguet
$32,000 - $45,000
Ref. 15400ST
Audemars Piguet
$32,000 - $45,000
Ref. 15400ST
Audemars Piguet
$40,000 - $50,000
Ref. 15500ST
Audemars Piguet
$40,000 - $50,000
Ref. 15450ST
Audemars Piguet
$90,000 - $97,000
Ref. 67630OR
Audemars Piguet
$165,000 - $180,000
Ref. 15407ST
Audemars Piguet
$235,000 - $265,000
Ref. 16204BC
Audemars Piguet
$55,000 - $65,000
Ref. 26715ST
Common Questions
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