@Vacheron1755 #Prototype #Overseas #DualTime #CoryRichards

An Overseas dual time prototype

In tribute to the challenge taken on by Cory Richards

The Watch Quote™ - June 21st, 2019



To set the pace for his adventure on the slopes of Everest, Cory Richards wanted to have a watch enabling him to keep track of the time in Nepal, as well as back home in the United States. He chose an Overseas dual time.



In honour of his challenge and his constant quest to excel, the Manufacture created a prototype especially with him in mind and featuring an oscillating weight engraved with a design based on one of his Everest photos.



The 41 mm case is forged from sturdy and light titanium, while a reinforcement made of tantalum – a particularly hard metal – has been integrated beneath the bezel and the crown protection is reinforced by two titanium guards.



This model is fitted with an orange-stitched grey blue Ventile® technical fabric distinguished by its density along with its exceptional waterproofness. The sporty nature of the prototype is likewise expressed in the orange-accented grey blue frosted dial as well as in the NAC treatment applied to its movement.



Vacheron Constantin Overseas dual time Prototype

Technical data




Reference :7910V/000T-B603
Movement :Calibre 5110 DT
Developed and manufactured by Vacheron Constantin
Mechanical, self-winding
Finition :NAC
Oscillating weight :22K gold Overseas
Diameter :30.6 mm (13¼’’’)
Thickness :6 mm
Power reserve :Approximately 60 hours
Frequency :4 Hz (28,800 vibrations/hour)
Components :234
Jewels :37
Certification :Hallmark of Geneva certified timepieces
Indications :Hours and minutes
C Centrale seconds
Second timezone, set by the crown
Day/night (AM/PM) indication at 9 o’clock, synchronised with home time
Date at 6 o’clock, synchronised with local time, set by pusher
Case :Titanium and tantalum
Diameter:41 mm
Thickness :12.8 mm
Crown protection :Titanium with crown in tantalum
Casing ring :Soft iron ensuring anti-magnetic protection
Crown :Screwed-down crown and quarter-turn screw-lock push-pieces
Caseback :Transparent sapphire crystal
Water-resistant :Tested at a pressure of 15 bar (approx. 150 meters)
Dial:Grained nish and colored in dark grey
Black oxidized 18K gold hour-markers and hours & minutes hands highlighted with Super-LumiNova®
Bracelets:Dark grey Ventile® technical fabric
Delivered with a second strap in grey rubber
Clasp :Titanium ardillon buckles

















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