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#SIHH2015
Harmony Dual Time Caliber 2460DT
Harmony is a contemporary collection par excellence
The Watch Quote™ - April 13th, 2015
Intended to house new Manufacture movements and unusual complications, designed to meet the demands of a lifestyle in perpetual motion. Firmly in tune with the times, the dual time function is one of the most useful and most sought- after complications among both men and women. 
To meet these expectations, the Manufacture Vacheron Constantin has developed and produced the new self-winding Caliber 2460DT dedicated to this must-have function. Three new references, two for men and one for women, are equipped with this new movement driving the hours, minutes, seconds along with dual time and day/night indications. To further improve the user friendliness of this timepiece in any situation, this elaborate movement incorporates a remarkable innovation: all settings may be done by the crown in both directions, without any risk of damaging the mechanism. 
This caliber comprises a special stop seconds device ensuring a more accurate time display. Moreover, the ribbed crown also ensures smooth and easy handling.
Like all creations from Harmony, these three new timepieces are certified by the Hallmark of Geneva, a guarantee of provenance, craftsmanship, durability and expertise. Presented to mark Vacheron Constantin’s 260th anniversary and issued in limited series on this occasion, the Dual Time and Dual Time Small model feature an oscillating weight adorned with a commemorative motif forming delicate scrolling patterns. 
Specifically created by the brand’s designers to set these exclusive editions apart, this unusual motif also known as “fleurisanne engraving” is inspired by the arabesques adorning the balance-cock of the oldest pocket watch by the Maison, signed by Jean-Marc Constantin in 1755.
Vacheron Constantin Caliber 2460DT with its generous 40-hour power reserve is composed of 233 parts, all hand-decorated in keeping with the finest watchmaking traditions. The two masculine versions appear in a generous cushion-shaped case in 18K white gold or 18K 5N pink gold, while the feminine variation in 18-carat white gold features a daintier size and a bezel delicately set with 88 diamonds totalling 1.20 carats. 
On an opaline silver-toned dial graced with gold or blued leaf-type hands, the blue-painted numerals typical of the Harmony collection ensure perfectly clear local time and dual time readings, while the sun and moon symbols on the day/night indication are made of gold. Subtly combining functionality with elegance, the Dual Time models embody the eminently contemporary nature of the new Harmony collection. 
Vacheron Constantin Harmony dual time
Technical data
| Reference | : | 7810S/000G-B050 7810S/000R-B051 Hallmark of Geneva certified timepieces |
| Calibre | : | 2460DT Developed and manufactured by Vacheron Constantin |
| Self-winding | : | Mechanical |
| Diameter | : | 28 mm (11’’’ ¼) |
| Thick | : | 5.4 mm |
| Power reserve | : | Approximately 40 hours |
| Frequency | : | 4 Hz (28,800 vibrations/hour) |
| Components | : | 233 |
| Jewels | : | 27 |
| Gold rotor | : | Decorated with a 260th anniversary dedicated pattern |
| Indications | : | Hours, minutes Center seconds 2nd time zone Day/night indication |
| Case | : | 18K white gold / 18K 5N pink gold |
| Diameter | : | 40 mm x 49.3 mm |
| Thick | : | 11.43 mm |
| Caseback | : | Transparent sapphire crystal |
| Water-resistance | : | Tested at a pressure of 3 bar (approx. 30 meters) |
| Dial | : | Silvered opaline |
| Numerals | : | Blue painted Arabic numerals |
| Sun and moon | : | Gold |
| Strap | : | Brown Mississippiensis alligator leather Hand-stitched, saddle-finish, square scales |
| Clasp | : | 18K white gold / 18K 5N pink gold triple blade folding clasp Polished half Maltese cross-shaped |
| Presentation box | : | Dedicated 260th anniversary presentation box |
| Accessories | : | Delivered with a magnifying glass, a dedicated brochure on the Harmony product line and a 260th anniversary celebration letter signed by Mr. Juan-Carlos Torres, CEO of Vacheron Constantin |
| Limited edition | : | 625 pieces « 260th Anniversary » engraved on the back of the timepiece |
Vacheron Constantin Harmony dual time small model
Technical data
| Reference | : | 7805S/000G-B052 Hallmark of Geneva certified timepiece |
| Calibre | : | 2460DT Developed and manufactured by Vacheron Constantin |
| Self-winding | : | Mechanical |
| Diameter | : | 28 mm (11’’’ ¼) |
| Thick | : | 5.4 mm |
| Power reserve | : | Approximately 40 hours |
| Frequency | : | 4 Hz (28,800 vibrations/hour) |
| Components | : | 233 |
| Jewels | : | 27 |
| Gold rotor | : | Decorated with a 260th anniversary dedicated pattern |
| Indications | : | Hours, minutes Center seconds 2nd time zone Day/night indication |
| Case | : | 18K white gold |
| Diamond-set bezel | : | (88 round-cut diamonds for a total weight of about 1.2 carats) |
| Diameter | : | 37 mm x 46.6 mm |
| Thick | : | 11.18 mm |
| Caseback | : | Transparent sapphire crystal |
| Water-resistance | : | Tested at a pressure of 3 bar (approx. 30 meters) |
| Dial | : | Silvered opaline |
| Numerals | : | Blue painted Arabic numerals |
| Sun and moon | : | Gold |
| Strap | : | Light blue Mississippiensis alligator leather Hand-stitched, saddle-finish, square scales |
| Clasp | : | 18K white gold triple blade folding clasp Polished half Maltese cross-shaped |
| Presentation box | : | Dedicated 260th anniversary presentation box |
| Accessories | : | Delivered with a magnifying glass, a dedicated brochure on the Harmony product line and a 260th anniversary celebration letter signed by Mr. Juan-Carlos Torres, CEO of Vacheron Constantin |
| Limited edition | : | 500 pieces « 260th Anniversary » engraved on the back of the timepiece |
to the Cosmograph Daytona
