5-Axis CNC & Horological Architecture
The Custom Vacheron Constantin Overseas Perpetual Calendar / Ultra-Thin 18K Rose Gold Reference 4300V is a 5-axis Swiss CNC commission machined in 18K Rose Gold Au750 (41.5 mm x 8.1 mm) weighing 176.2g on our Mettler-Toledo analytical balance, driven by Vacheron Constantin Cal. 1120 QP/1 Ultra-Thin regulated to +0.5 s/d, 296 deg at 28,800 vph with a 72-hour power reserve beneath a double anti-reflective sapphire crystal.
| 01 / CNC Blueprint Entity & Reference | Vacheron Constantin — Overseas Perpetual Calendar / Ultra-Thin | Ref. 4300V | SKU: AT-AU750-4300V-W396 |
|---|---|
| 02 / 5-Axis CNC Metallurgy & Gold Purity | 18K Rose Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| 03 / Analytical Bench Weight (1:1 Reference Mass) | 176.2g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| 04 / Custom Bezel, Gem-Setting & Case Geometry | Six-Sided Maltese Cross Polished & Satin-Brushed Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 176.2g 18K Rose Gold • 41.5 mm x 8.1 mm |
| 05 / Regulated Super Clone Movement Calibre | Vacheron Constantin Cal. 1120 QP/1 Ultra-Thin — Swiss Super Clone Mechanical Calibre Regulated to +0.5 s/d, 296 deg |
| 06 / Barrel Power Reserve & Balance Frequency | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| 07 / Optical Sapphire Crystal (Double AR) & Sealing | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 50m / 5 ATM |
| 08 / Bespoke Dial & Integrated Bracelet Spec | 41.5 mm x 8.1 mm • Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands • Integrated 18K Rose Gold Solid Link Bracelet & Deployant Clasp with Deep Laser Hallmarks |
Engineered inside our Geneva 5-axis CNC Vacheron Constantin custom atelier, the Custom Vacheron Constantin Overseas Perpetual Calendar / Ultra-Thin 18K Rose Gold Reference 4300V is machined from solid 18K Rose Gold Au750 billets to micron-level tolerances (41.5 mm x 8.1 mm). Every bevel, lug chamfer, and Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands is hand-finished on our watchmaker bench, yielding a certified reference weight of 176.2g verified under our Fischer XRF and Mettler-Toledo QC protocol.
What Are the Horological & Metallurgical Benchmarks of Vacheron Constantin Overseas Ref. 4300V?
The Vacheron Constantin Overseas Reference 4300V is a precision-engineered luxury timepiece crafted in 18K Rose Gold Au750 (41.5 mm x 8.1 mm) with Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, Six-Sided Maltese Cross Polished & Satin-Brushed Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 176.2g, because the Vacheron Constantin Cal. 1120 QP/1 Ultra-Thin movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core CNC & Chronometric Specifications:
- Blueprint Reference: Custom Vacheron Constantin Overseas Perpetual Calendar / Ultra-Thin 18K Rose Gold — Official Ref. 4300V (SKU: AT-AU750-4300V-W396).
- 5-Axis CNC Metallurgy: 18K Rose Gold Au750 case (41.5 mm x 8.1 mm) and Six-Sided Maltese Cross Polished & Satin-Brushed Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal with hand-polished chamfers.
- Verified Bench Mass: 176.2g confirmed on a Mettler-Toledo analytical gram scale prior to dispatch.
- Super Clone Calibre: Vacheron Constantin Cal. 1120 QP/1 Ultra-Thin operating at 28,800 vph (4 Hz) with 72-hour power reserve and +0.5 s/d, 296 deg accuracy.
- Sapphire Optics & Sizing: Double anti-reflective sapphire crystal, 50m / 5 ATM sealing, and 19 wrist sizing options (14.0–22.0 cm).
Within the Vacheron Constantin Overseas horological sub-silo, collectors also compare the Vacheron Constantin Overseas Self-Winding 41mm Baguette Sapphire Bezel 18K White Gold Ref. 4500V/110G-B705 (188.3g) and the Vacheron Constantin Overseas Dual Time 41mm Ref. 7900V (163.6g).
- Parent Brand & Overseas Silo Hub: Browse All 11 Certified Vacheron Constantin Solid 18K Gold & Pt950 Watches
- Technical Research Monograph: 5-Axis Swiss CNC Milling Solid 18K Gold Watch Cases (±2um) (All 5 Journal Monographs)
- Homepage Master Register: Return to 18K CUSTOM Homepage (Complete 774-Watch Solid 18K Gold & Pt950 Register)
- All-Brands Catalogue: Explore Complete 12-Maison Horological Catalogue (/shop/)
- Metallurgical & 4K QC Verification: Fischer XRF Au750 Protocol • 3-Year Mechanical Warranty • Insured Armored Delivery
How is the 18K Rose Gold case of this Vacheron Constantin 4300V machined?
Our Geneva CNC specialists mill the monobloc middle case, bezel, and bracelet geometry on 5-axis Swiss machining centers in 18K Rose Gold Au750 to achieve the authentic 176.2g reference mass.
Can the bracelet or strap be pre-sized to my exact wrist circumference?
Yes. Choose from 19 precision wrist circumference options (14.0 cm to 22.0 cm, or full unsized factory length). All removed solid links are sealed inside your presentation box.
How is the Vacheron Constantin Cal. 1120 QP/1 Ultra-Thin tested on the atelier workbench?
We record a personalized 4K bench video showing the Vacheron Constantin Cal. 1120 QP/1 Ultra-Thin (28,800 vph, 72-hour reserve) running at +0.5 s/d, 296 deg on our Witschi Chronoscope alongside Fischer XRF and Mettler-Toledo gram scale verification.
What dial and bezel specifications distinguish Vacheron Constantin Overseas Ref. 4300V?
Reference 4300V combines Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands and Six-Sided Maltese Cross Polished & Satin-Brushed Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 41.5 mm x 8.1 mm 18K Rose Gold Au750 case weighing 176.2g, verified via Fischer XRF spectroscopy and powered by Vacheron Constantin Cal. 1120 QP/1 Ultra-Thin.
Custom Vacheron Constantin Overseas Perpetual Calendar / Ultra-Thin 18K Rose Gold Ref. 4300V
5-Axis Swiss CNC 18K Rose Gold Au750 • 176.2g Verified Mass • Regulated Vacheron Constantin Cal. 1120 QP/1 Ultra-Thin