How much does an AP Royal Oak 15500ST sell for in Bangkok?
AP Royal Oak 15500ST blue dial full set in Bangkok June 2026 sells for THB 1.42M–1.68M, black THB 1.38M–1.62M, white Grande Tapisserie THB 1.45M–1.72M, green limited THB 1.85M–2.15M. Down 16% YoY from June 2025. Top dealers pay 76–84% of that range, auctions average 84–91% net of fees.
Real Bangkok prices, June 2026
Royal Oak 15500ST replaced 15400ST in 2019 with the new caliber 4302 — AP's current 41mm steel Royal Oak Selfwinding.
| Dial colour | Production | Full Set Low | Median | High | Watch Only |
|---|---|---|---|---|---|
| Blue Grande Tapisserie | 2019–2026 | THB 1,420,000 | 1,550,000 | 1,680,000 | 1,170,000–1,330,000 |
| Black Grande Tapisserie | 2019–2026 | 1,380,000 | 1,500,000 | 1,620,000 | 1,140,000–1,290,000 |
| White Grande Tapisserie | 2019–2026 | 1,450,000 | 1,580,000 | 1,720,000 | 1,200,000–1,350,000 |
| Green Grande Tapisserie | 2020–2026 (limited) | 1,850,000 | 2,000,000 | 2,150,000 | 1,540,000–1,720,000 |
| Grey | 2021–2026 | 1,520,000 | 1,650,000 | 1,780,000 | 1,260,000–1,400,000 |
| Smoked Salmon | 2024–2026 | 2,100,000 | 2,300,000 | 2,500,000 | 1,750,000–1,950,000 |
15400ST vs 15500ST
The predecessor (caliber 3120, 2012–2019) has heavier supply in the pre-owned market — lower prices, slower price moves:
| Reference | Blue dial Full Set (Jun 2026) |
|---|---|
| 15400ST blue | THB 1,180,000–1,420,000 |
| 15500ST blue | THB 1,420,000–1,680,000 |
| Spread | ~18–22% |
The premium reflects caliber 4302's larger balance wheel and 70-hour power reserve plus the newer reference's freshness. For collectors entering the Royal Oak market, a strong-condition 15400ST blue offers the best value entry.
Why pricing dropped 16% YoY
| Period | Blue dial median |
|---|---|
| Mar 2022 | THB 2,650,000 (peak) |
| Jun 2023 | 2,150,000 (-19%) |
| Jun 2024 | 1,850,000 (-30%) |
| Jun 2025 | 1,850,000 (flat) |
| Jun 2026 | 1,550,000 (-16% YoY) |
Two drivers in 2025–2026:
- AP raised AD allocation — pre-owned supply expanded ~28%
- Royal Oak 16202 Jumbo re-issue captured collector attention — 15500 demoted from "grail tier" to "regular sport"
±8–12% movers
Tapisserie pattern
- Grande Tapisserie (standard): baseline
- Petite Tapisserie (limited reissue): +10–15%
- Mega Tapisserie: +20–30%
Service papers
- AP Service Centre Thailand within five years: +3–5%
- AP Geneva service: +2–4%
- Independent service: -5 to -8%
Stickers and protective film
- Bracelet protective film intact: +4–6%
- Caseback sticker complete: +2–3%
Original straps
- Steel bracelet (original): baseline
- Black rubber + folding clasp included (2022+): +3–5%
Real channel payout
For Royal Oak 15500ST blue dial full set 2022 (median THB 1,550,000):
| Channel | Real payout | % of median |
|---|---|---|
| Auction House Thailand (net) | THB 1,300,000–1,410,000 | 84–91% |
| Thai Watch Market direct | 1,240,000–1,365,000 | 80–88% |
| AP specialist (Thonglor) | 1,180,000–1,302,000 | 76–84% |
| General dealer | 1,085,000–1,180,000 | 70–76% |
Maximising payout
- Auction limited dials — green and salmon dials carry collector-driven premiums best captured at auction
- Direct specialist for blue/black/white — the specialist premium offsets auction wait time
- Preserve protective film — film-intact watches earn a clean premium
- Don't polish — Royal Oak's hairline finish is character; polishing destroys 10–15% of value
Read the deep-dive Royal Oak 15500ST guide · Send photos via LINE
Sources: Thai Watch Market Royal Oak log (from our work in Bangkok's pre-owned market, Jan–May 2026) · Auction House Thailand AP results 2024–2026 · WatchCharts 15500ST Index