- Movement
- Self-winding
- Size
- 42.5 mm
Overview
Three dial variations on the retrograde moon phase
The Vacheron Constantin Patrimony Moon Phase Retrograde Date, reference 4010U/000G-B330, in 18K white gold with a silver-toned opaline dial, on a black alligator leather strap with a white gold Ardillon buckle. Self-winding calibre 2460 R31L/1, with retrograde date and precision moon phase; 42.5 mm, 9.7 mm high, certified to the Hallmark of Geneva.
This execution shares the same case and calibre 2460 R31L/1 as the sunburst-dial reference, in 18K white gold again but with a silver-toned opaline dial rather than a sunburst finish. It comes on a black alligator leather strap, closed by the same white gold Ardillon buckle.
The reference 4010U/000G is Vacheron Constantin's Patrimony Moon Phase Retrograde Date built on the self-winding calibre 2460 R31L/1, offered in 18K white gold and 18K pink gold cases, each on its own dial tone and strap colour. The outer zone of the dial carries a circular pearl-style minute-track set with 48 polished 18K gold pearls, and the moon-phase display shows two gold moon discs against what the brand calls a starry sky, alongside a retrograde hand-type date read by a blackened gold hand; hour-markers and the hour and minute hands are 18K gold throughout. The case measures 42.5 mm across and 9.7 mm high, water-resistant to 30 m, with a transparent sapphire case back.
Inside is the self-winding calibre 2460 R31L/1 -- 27.2 mm across, 5.4 mm high, 275 parts and 27 jewels, running at 28,800 V.P.H. (4 Hz) for a stated 40-hour power reserve. It drives the retrograde date alongside the moon-phase display, which the brand says needs correcting only once every 122 years. All three executions are certified to the Hallmark of Geneva, a mark the brand dates to 1886, when the Republic and Canton of Geneva adopted it as a standard for well-finished watches, taken today as a sign of quality workmanship and origin rather than one single measurement.
For collectors
This calibre 2460 R31L/1 group covers three dial-and-strap combinations on the identical case and movement: two 18K white gold executions, one with a sunburst-finished dial on a green strap and the other with an opaline dial on a black strap, beside an 18K pink gold execution on brown -- a straightforward side-by-side comparison since the movement and case never change.
Key details
Design and engineering
- Case and dial18K white gold case with a silver-toned opaline dial; the outer zone carries a circular pearl-style minute-track of 48 polished 18K gold pearls.
- Moon phase and dateTwo 18K gold moon discs set against what the brand calls a starry sky, with a retrograde hand-type date read by a blackened gold hand and 18K gold applied hour-markers.
- MovementSelf-winding calibre 2460 R31L/1, 27.2 mm across and 5.4 mm high, with 275 parts and 27 jewels.
- CertificationCertified to the Hallmark of Geneva.
- Strap and buckleBlack alligator leather strap, closed by a white gold Ardillon buckle.
Calibre 2460 R31L/1
- Self-winding
- Hours, minutes, retrograde hand-type date, balance-stop, precision moon phase
- 27.2 mm across, 5.4 mm high; 275 parts, 27 jewels
- 28,800 V.P.H. (4 Hz)
- Power reserve 40 hours
- Hallmark of Geneva
Specifications
Technical specifications
| Reference | 4010U/000G-B330 |
|---|---|
| Collection | Patrimony |
| Calibre | Calibre 2460 R31L/1 |
| Movement | Self-winding |
| Functions | Hours, Minutes, Retrograde hand-type date, Precision moon phase, Balance-stop |
| Case dimensions | 42.5 mm |
| Case thickness | 9.7 mm |
| Case material | 18K white gold |
| Case back | Transparent sapphire crystal caseback |
| Water resistance | 3 bar (30 m) |
| Dial | Silver-toned opaline dial. Convex external zone with circular “pearl” minute-track composed by 48 polished 18K gold pearls. 18K gold moons with a starry sky. Retrograde hand-type date. 18K gold bi-faceted baton-type hour/minute hands. Blackened date hand. 18K gold applied hour-markers. |
| Strap | Black alligator leather |
| Clasp | White gold ardillon buckle |
| Movement dimensions | 27.2 mm × 5.4 mm |
| Components | 275 |
| Jewels | 27 |
| Power reserve | 40 hours |
| Frequency | 28,800 vph (4 Hz) |
| Certification | Hallmark of Geneva |
Buying with HYPA
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