Zenith Grande Concept Port-Royal Tourbillon Titanium PVD Semi-Skeleton 18k White Gold Dial 51x36mm 96.0550.4007/77.C55 $150,00 LNIB 99% Excellent Condition 100% Authentic 

presents its  Bold, original concept... 

All Photos are of the actual watch .......

DESCRIPTION

Manufacturer	Zenith
Model Name	Grande Port Royal Tourbillon
Model Number	96.0550.4007/77.C550
Movement	Automatic
Case	Titanium 51x36mm
Dial	White Gold
Strap Band	Carbon Fiber with Deployment Buckle
Serial No	XXX
Approx. Retail/ Replacement Price	$150,000.00
Additional Information	LNIB 99% excellent. Come with presentation Box set, Manual and Papers. 100% Authentic.

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Zenith is among the most aristocratic names in the world of fine watch making. Rewarded for the precision of its timepieces, the Swiss company traces its history to 1843, making it one of the oldest horological manufacturers. Zenith revolutionized the watch making industry, creating the world’s first automatic chronograph movement, the infamous El Primero. Zenith continues to meet its challenge, cultivating beauty and mechanical accuracy with perfection.

The featured watch describe is a Swiss made  Star Zenith Grande Port-Royal Tourbillon 96.0550.4007/77.C550 Black PVD treatment Titanium Case 51x36mm Case diameter, Fixed bezel. Self Winding Automatic Chronometer - Chronograph Zenith Calibre 4007 Movement, Power Reserve 50/H. Display is Transparent Semi Skeleton metal guilloché, 18-carat white gold dial on a sapphire glass plate with grill - Window on Dial to View Balance Wheel. Silver - tone hands. Hours and minutes in the center Tourbillon: The carriage is positioned at 11 o’clock. The carriage makes 1 turn per minute Center seconds-hand 30-minute counter at 3 o’clock, 12-hour counter at 6 o’clock, Chronograph, sweeper at center. Minute divisions track at outer rim. Curved Sapphire glass with anti-reflection treatment on both sides Transparent sapphire case back. Screw down PVD Star logo crown, pushers. Carbon Fiber Strap with Star signed Logo Deployment Buckle. Scratch Resistant Sapphire Crystal. Water Resistant- 50 Meters / 165 Feet. Display signature, Caseback screw down Titanium, Movement signed.....

 

 

 

Functions: Hours and minutes in the center Tourbillon, Small Seconds. Chronograph Feature- Self Winding Automatic Chronometer - Chronograph movement with tourbillon 14’’’1/4 caliber. El Primero Zenith Calibre 4007, 50/h Power Reserve. Carbon Fiber Strap with Deployment buckle. Curved sapphire glass with anti-reflection treatment on both sides Transparent sapphire case back, Water Resistant-50 Meters /165 Feet ....

 

Personal Note-LNIB, owned by a collector, 99% excellent condition. Comes complete with presentation Box set, Manual & Papers. Zenith Grande Concept Port Royal Rectangle 96.0550.4007/77.C550 watches are unique with their rectangular design, yet conform to the impeccable standard of craftsmanship and precision, COSC Chronometer certified, for which Zenith watches are renowned. These durable and classy timepieces are in a class of their own.. Its housing is made of titanium. Three times stronger than steel.. In the background is the auxiliary plate of the movement that we see the transparent white gold dial with grill, decorated with the famous checkerboard signing of the range, it creates the stunning contrast with the black of the box.. While the integrated El Primero caliber represents the noblest interpretation of the chronograph.... Designed to eradicate the effects of gravity by enclosing the core of the movement in a rotating cage, the tourbillon is to watchmaking what Formula 1 is to a racecar. Maintaining a reserve of over 50 hours, while producing enough energy to power the El Primero chronograph at 36,000 vibrations on one hand, and the revolutions of the tourbillon cage to the other. This is because doubling the frequency while maintaining the same inertia of the balance implies multiplying the energy requirement by eight....This is the El Primero 4007 caliber, a real kinetic prowess.. As for the strap, or it is made of molded kevlar and carbon, thereby resistant to a tensile force of more than 250 kilograms. The double folding clasp is also made of titanium... For it is precisely, in this , that the Grand Port Royal Tourbillon stands out: It dares carrosser a great watchmaking classic in materials technology pioneering, highly resistant, ultra-light but very strong, design with applied functionality which make this watch a great combination: A symphony is motion..........

 

 

 

 

 

Zenith Carbon Fiber Strap with Star signed Logo Deployment Buckle...

 

 

Zenith Grande Port Royal Tourbillon - El Primero movement first idea was simple, but the technical specifications were not. It was to be the first automatic chronograph ever. Better still, the caliber was to be fully integrated and designed as an inseparable whole. There would be no additional module, but instead a construction built around a column wheel and a central rotor mounted on ball bearings. It would also need to beat at a high frequency in order to be the world’s most accurate chronograph. To complicate matters still further, the movement was to be miniaturized mechanism.

 

Zenith..Sapphire exhibition caseback that reveals El Primero 4007 Automatic Chronometer - Chronograph movement with tourbillon 14’’’1/4 caliber. Diameter : 32 mm. Height : 7.55 mm. 298 components 36’000 vibrations per hour Power reserve over 50 hours 35 jewels. Heavy metal guilloché oscillating weight, decorated with “ZENITH Damier” pattern ....

Zenith

Zenith, Comes complete with presentation Box set, Manual & Papers, as seen in photos.

 

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Let me start by saying, I have looked over Ebay, and boy, there sure are a lot of suspicious looking watches and suspicious looking sellers out there! That being said, many people are apprehensive to buy an expensive item on Ebay and, on the Internet in general. What if something goes wrong? PLEASE be careful & know who you are buying from.

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