Audemars Piguet Royal Oak Double Balance Wheel Openworked 41mm 5-Axis CNC Case Reference 15407ST.OO.1220ST.01 — Salon Edition
Bespoke Atelier Salon Edition • 162.0g Verified Mass • Audemars Piguet Cal. 3132 Dual-Balance Openworked
Bespoke Atelier Salon Edition • 162.0g Verified Mass • Audemars Piguet Cal. 3132 Dual-Balance Openworked
Bespoke Atelier Salon Edition • 136.6g Verified Mass • Rolex Manufacture Cal. 3235 - 70h Power Reserve
Bespoke Atelier Salon Edition • 180.4g Verified Mass • Audemars Piguet Cal. 2385 Column-Wheel Chronograph
Bespoke Atelier Salon Edition • 166.5g Verified Mass • Audemars Piguet Cal. 4302 - 70h Power Reserve
Bespoke Atelier Salon Edition • 149.3g Verified Mass • Audemars Piguet Cal. 4401 Flyback Chronograph
Bespoke Atelier Salon Edition • 55.6g Verified Mass • Richard Mille Cal. RMUL2 Free-Sprung Skeleton
Bespoke Atelier Salon Edition • 116.5g Verified Mass • Patek Philippe Cal. 240 PS IRM C LU - 22K Gold Micro-Rotor
Bespoke Atelier Salon Edition • 33.3g Verified Mass • Richard Mille Cal. CRMA7 Skeletonized Titanium
Bespoke Atelier Salon Edition • 180.5g Verified Mass • Audemars Piguet Cal. 4401 Flyback Chronograph
Bespoke Atelier Salon Edition • 132.1g Verified Mass • Audemars Piguet Cal. 3120 / Cal. 5900
Bespoke Atelier Salon Edition • 50.2g Verified Mass • Richard Mille Cal. RMAL1 Variable-Geometry Rotor
Bespoke Atelier Salon Edition • 166.3g Verified Mass • Audemars Piguet Cal. 4302 - 70h Power Reserve
Bespoke Atelier Salon Edition • 103.5g Verified Mass • Audemars Piguet Cal. 2121 Ultra-Thin
Bespoke Atelier Salon Edition • 132.3g Verified Mass • Audemars Piguet Cal. 3120 / Cal. 5900
Bespoke Atelier Salon Edition • 115.0g Verified Mass • Patek Philippe Cal. 26-330 S C / Cal. 324 S C - 21K Gold Rotor
Bespoke Atelier Salon Edition • 66.9g Verified Mass • Richard Mille Cal. RMUL2 Grade 5 Titanium Skeleton
Bespoke Atelier Salon Edition • 50.9g Verified Mass • Richard Mille Cal. RMUL3 Grade 5 Titanium Skeleton
Bespoke Atelier Salon Edition • 33.3g Verified Mass • Richard Mille Cal. CRMA7 Skeletonized Titanium
Bespoke Atelier Salon Edition • 166.7g Verified Mass • Audemars Piguet Cal. 4302 - 70h Power Reserve
Bespoke Atelier Salon Edition • 180.5g Verified Mass • Audemars Piguet Cal. 2385 Column-Wheel Chronograph
Bespoke Atelier Salon Edition • 174.7g Verified Mass • Rolex Manufacture Cal. 3235 - 70h Power Reserve
Bespoke Atelier Salon Edition • 50.6g Verified Mass • Richard Mille Cal. RMUL3 Grade 5 Titanium Skeleton
Bespoke Atelier Salon Edition • 116.5g Verified Mass • Patek Philippe Cal. 240 PS IRM C LU - 22K Gold Micro-Rotor
Bespoke Atelier Salon Edition • 143.3g Verified Mass • Rolex Manufacture Cal. 3285 - 70h Power Reserve
Bespoke Atelier Salon Edition • 156.8g Verified Mass • Rolex Manufacture Cal. 3135
Bespoke Atelier Salon Edition • 108.2g Verified Mass • IWC Manufacture Cal. 69355 / Cal. 52010
Bespoke Atelier Salon Edition • 174.6g Verified Mass • Rolex Manufacture Cal. 3235 - 70h Power Reserve
Bespoke Atelier Salon Edition • 55.7g Verified Mass • Richard Mille Hand-Wound Tourbillon Calibre
Bespoke Atelier Salon Edition • 143.5g Verified Mass • Rolex Manufacture Cal. 4130 - 72h Power Reserve
Bespoke Atelier Salon Edition • 136.7g Verified Mass • Rolex Manufacture Cal. 3235 - 70h Power Reserve
Bespoke Atelier Salon Edition • 68.5g Verified Mass • Jaeger-LeCoultre Manufacture Cal. 925 / Cal. 899
Bespoke Atelier Salon Edition • 33.5g Verified Mass • Richard Mille Cal. CRMA7 Skeletonized Titanium
Bespoke Atelier Salon Edition • 57.9g Verified Mass • F.P. Journe Cal. 1210 Electromechanical - 18K Rose Gold Rotor
Bespoke Atelier Salon Edition • 156.2g Verified Mass • Rolex Manufacture Cal. 3235 - 70h Power Reserve
Bespoke Atelier Salon Edition • 66.8g Verified Mass • Richard Mille Cal. RMUL2 Grade 5 Titanium Skeleton
Bespoke Atelier Salon Edition • 166.8g Verified Mass • Audemars Piguet Cal. 4302 - 70h Power Reserve
Every timepiece across our 774-watch register is precision-engineered to match 1:1 Geneva reference weights on a calibrated Mettler-Toledo 0.01g balance and verified via Fischer XRF Au750 spectroscopy and 6-position Witschi Chronoscope testing.
| Horological Maison | Flagship Reference Archetypes | Precious Metal Fineness | Verified Mass Range | Benchmark Calibres | Category Hub |
|---|---|---|---|---|---|
| Rolex Geneva | Daytona 116508/126508, Day-Date 228238/228235, Submariner 126618 | Solid 18K Au750 & Pt950 | 158.8g – 282.4g | Cal. 4130, 4131, 3255, 9001 | Rolex Register → |
| Patek Philippe | Nautilus 5711/1R, 5712/1R, 5980/1R, Aquanaut 5167R, 5711/113P | Solid 18K Rose/White & Pt950 | 106.0g – 244.8g | Cal. 26-330 S C, 240 PS, CH 28-520 | Patek Register → |
| Audemars Piguet | Royal Oak 15500OR, Openworked 15407OR, Chronograph 26240OR | Solid 18K Pink/White Gold | 174.6g – 238.0g | Cal. 4302, 3132, 4401 Flyback | AP Register → |
| Richard Mille | RM 52-05 Tourbillon, RM 56 Sapphire, RM 055 / RM 35-02 18K Gold | Solid 18K Red Gold, Sapphire, NTPT | 68.5g – 164.0g | Cal. RMUL2, RMAL1, Tourbillon | RM Register → |
| Vacheron Constantin | Overseas 4500V/110R, Chronograph 5500V/110R, Perpetual Ultra-Thin | Solid 18K 5N Pink Gold (Au750) | 178.0g – 232.0g | Cal. 5100, Cal. 5200, Cal. 1120 QP | VC Register → |
| Cartier Paris | Santos Large WGSA0007/0019, Santos Skeleton, London Crash, Ballon Bleu | Solid 18K Yellow & Rose Gold | 64.5g – 194.5g | Cal. 1847 MC, 9629 MC, 8970 MC | Cartier Register → |