Lot Provenance & Metallurgical Verification
The Audemars Piguet Royal Oak Selfwinding Chronograph 41mm Diamond-Set Bezel 18K White Gold Reference 26240BC.SS.1320BC.01 is an authenticated Geneva private vault allocation crafted in 18K White Gold Au750 (41.0 mm x 12.4 mm) weighing 158.7g on a calibrated Mettler-Toledo analytical scale, powered by Audemars Piguet Cal. 4401 Flyback Chronograph (+0.8 s/d, 299 deg, 28,800 vph, 72-hour power reserve) with a double anti-reflective sapphire crystal and 50m / 5 ATM sealing.
| Lot Entity, Maison & Reference Code | Audemars Piguet — Royal Oak Selfwinding Chronograph 41mm | Ref. 26240BC.SS.1320BC.01 | SKU: VIP-AU750-26240BC.SS.1320BC.01-W129 |
|---|---|
| Precious Metal Assay & Hallmarked Alloy | 18K White Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| Certified Vault Scale Weight (1:1 Parity) | 158.7g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| Bezel Gem-Setting & Case Proportions | Octagonal Brushed & Chamfered Bezel Locked by 8 White Gold Hexagonal Screws with Anti-Reflective Scratch-Resistant Sapphire Crystal • 158.7g 18K White Gold • 41.0 mm x 12.4 mm |
| Horological Calibre & Positional Regulation | Audemars Piguet Cal. 4401 Flyback Chronograph — Swiss Super Clone Mechanical Calibre Regulated to +0.8 s/d, 299 deg |
| Power Reserve Autonomy & Beat Frequency | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| Sapphire Crystal Optics (Double AR) & Hermeticity | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 50m / 5 ATM |
| Dial Provenance & Bracelet Clasp Architecture | 41.0 mm x 12.4 mm • Diamond-Set Bezel with Solid 18K Gold Applied Hour Markers & Hands • Integrated 18K White Gold Hand-Stitched Alligator / Elastomer Strap & Solid Gold Folding Clasp with Deep Laser Hallmarks |
Allocated within our Geneva Private Treaty Audemars Piguet collector vault, this Audemars Piguet Royal Oak Selfwinding Chronograph 41mm Diamond-Set Bezel 18K White Gold Reference 26240BC.SS.1320BC.01 is crafted in 18K White Gold Au750 (41.0 mm x 12.4 mm) with a certified reference mass of 158.7g. Every private treaty allocation undergoes Fischer XRF Au750 purity and Mettler-Toledo gravimetric grading prior to insured armored dispatch.
5 Core Private Vault Allocation Specifications:
- Private Vault Reference: Audemars Piguet Royal Oak Selfwinding Chronograph 41mm Diamond-Set Bezel 18K White Gold — Official Reference 26240BC.SS.1320BC.01 (SKU VIP-AU750-26240BC.SS.1320BC.01-W129).
- Vault Metallurgy: 18K White Gold Au750 construction paired with Octagonal Brushed & Chamfered Bezel Locked by 8 White Gold Hexagonal Screws with Anti-Reflective Scratch-Resistant Sapphire Crystal and Diamond-Set Bezel with Solid 18K Gold Applied Hour Markers & Hands.
- Authenticated Mass: 158.7g verified on a calibrated Mettler-Toledo analytical balance in 4K video.
- Movement Architecture: Audemars Piguet Cal. 4401 Flyback Chronograph running at 28,800 vph (4 Hz) with 72-hour power reserve (+0.8 s/d, 299 deg).
- Crystal & Security: Double anti-reflective sapphire crystal, 50m / 5 ATM water resistance, and confidential escrow settlement.
Within the same Audemars Piguet horological silo, collectors also compare the Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 43mm 18K Rose Gold Ref. 26210OI.OO.A109CR.01 (184.5g) and the Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 43mm 18K Rose Gold Ref. 26420OI.OO.A015VE.01 (184.3g).
How do I initiate a Private Treaty acquisition for Audemars Piguet Ref. 26240BC.SS.1320BC.01?
Select your wrist circumference and request an allocation via our Geneva Private Client Desk (+1 305 724 0661) referencing SKU VIP-AU750-26240BC.SS.1320BC.01-W129. A dedicated vault director will transmit your live 4K scale, XRF, and timegrapher dossier.
What settlement methods are supported for Private Vault allocations?
18K VIP facilitates confidential private client settlement via International Bank Wire (SWIFT / SEPA), Private Escrow, and Direct Digital Asset Settlement (USDT, USDC, BTC, ETH) with insured courier delivery.
What is the verified weight and calibre specification of this Audemars Piguet Ref. 26240BC.SS.1320BC.01?
This reference weighs 158.7g in 18K White Gold Au750 and is powered by the Audemars Piguet Cal. 4401 Flyback Chronograph beating at 28,800 vph (4 Hz) with a 72-hour power reserve (+0.8 s/d, 299 deg).
Audemars Piguet Royal Oak Selfwinding Chronograph 41mm Diamond-Set Bezel 18K White Gold Ref. 26240BC.SS.1320BC.01 — Private Vault Edition
Geneva Private Treaty Vault • 158.7g 18K White Gold Au750 • Audemars Piguet Cal. 4401 Flyback Chronograph