Recorded in our Monte-Carlo solid 18K gold Vacheron Constantin register, the Vacheron Constantin Overseas Self-Winding 41mm Reference 4500V/110A-B128 unites authentic Geneva proportions (41.0 mm x 11.0 mm) with a certified 904L Stainless Steel Custom Architecture mass of 152.1g. Every detail of the Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, Six-Sided Maltese Cross Polished & Satin-Brushed Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and hallmarked clasp is verified under our Fischer XRF Au750 and Mettler-Toledo laboratory protocol.

5 Core Horological & Metallurgical Specifications:

• Registered Entity & Ref: Vacheron Constantin Overseas Self-Winding 41mm — Official Reference 4500V/110A-B128 (SKU: MC-CUST-4500V/110A-B128-W72).
• Precious Metal Alloy: 904L Stainless Steel Custom Architecture with deep mechanical hallmarking and 5-axis Swiss CNC case finishing.
• Verified Reference Mass: 152.1g confirmed on our Monte-Carlo showroom Mettler-Toledo analytical balance.
• Mechanical Calibre: Vacheron Constantin Cal. 5100 - 22K Gold Maltese Rotor operating at 28,800 vph (4 Hz) with 72-hour power reserve (+0.6 s/d, 296 deg).
• Sapphire Crystal & QC: Scratch-resistant sapphire crystal with double anti-reflective coating and 150m / 15 ATM - Soft-Iron Anti-Magnetic Ring water resistance.

Within the same Vacheron Constantin horological silo, collectors also compare the Vacheron Constantin Overseas Self-Winding 41mm Ref. 4500V (152.2g) and the Vacheron Constantin Overseas Dual Time 41mm Ref. 7900V (163.6g).