Recorded in our Monte-Carlo solid 18K gold Vacheron Constantin register, the Vacheron Constantin Traditionnelle Complete Calendar Openface 18K Rose Gold Reference 4010T/000R-B344 unites authentic Geneva proportions (41.0 mm x 10.7 mm) with a certified 18K Rose Gold Au750 mass of 96.9g. Every detail of the Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, Hand-Finished 18K Rose Gold 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 Traditionnelle Complete Calendar Openface 18K Rose Gold — Official Reference 4010T/000R-B344 (SKU: MC-AU750-4010T/000R-B344-W249).
• Precious Metal Alloy: 18K Rose Gold Au750 with deep mechanical hallmarking and 5-axis Swiss CNC case finishing.
• Verified Reference Mass: 96.9g confirmed on our Monte-Carlo showroom Mettler-Toledo analytical balance.
• Mechanical Calibre: Vacheron Constantin Cal. 2460 QCL/2 - Hallmark of Geneva operating at 28,800 vph (4 Hz) with 72-hour power reserve (+0.8 s/d, 302 deg).
• Sapphire Crystal & QC: Scratch-resistant sapphire crystal with double anti-reflective coating and 30m / 3 ATM water resistance.

Within the same Vacheron Constantin horological silo, collectors also compare the Vacheron Constantin Overseas Perpetual Calendar / Ultra-Thin 18K Rose Gold Ref. 4300V (176.2g) and the Vacheron Constantin Historiques 222 Jumbo 37mm 18K Yellow Gold Ref. 4200H/222J-B935 (169.6g).