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<strong><?php echo Vertu : English : Collections : Explore : Signature; ?></strong>
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<ul>
<li><a href="/sitemap/en/about-vertu/">About Vertu</a></li>
<ul>
<li><a href="/sitemap/en/about-vertu/obsessive-craftsmanship/">Obsessive Craftsmanship</a></li>
<ul>
<li>Obsessive craftsmanship</li>
<li>Jewelled bearings</li>
<li>Sapphire crystal</li>
<li>Finest leather</li>
<li>Innovative materials</li>
<li>Excellent acoustics</li>
<li>The perfect click</li>
<li>Precious materials</li>
</ul>
<li><a href="/sitemap/en/about-vertu/made-in-england/">Made in England</a></li>
<ul>
<li>Made in England</li>
<li>The custom-built workshop</li>
<li>Research and Development</li>
<li>Hand-built by experts</li>
<li>The exclusive results</li>
</ul>
<li><a href="/sitemap/en/about-vertu/heritage/">Heritage</a></li>
<ul>
<li>1983: a new elite accessory</li>
<li>1986: everyone wants one</li>
<li>1990: mobiles for the masses</li>
<li>1995: Frank Nuovo's exceptional idea</li>
<li>1997: Nokia makes Vertu a reality</li>
<li>1998: Vertu - born from an obsession</li>
<li>2001: Signature is unveiled</li>
<li>2002: the first elite customers</li>
<li>2003: Vertu at Harrods</li>
<li>2004: cue Ascent</li>
<li>2005: the Signature Diamond collection</li>
<li>2006: Constellation - a star is born</li>
</ul>
<li><a href="/sitemap/en/about-vertu/vertu-concierge/">Vertu Concierge</a></li>
<ul>
<li>Vertu Concierge</li>
<li>The exceptional gift</li>
<li>The perfect itinerary</li>
<li>The deadline</li>
</ul>
</ul>
<li><a href="/sitemap/en/collections/">Collections</a></li>
<ul>
<li><a href="/sitemap/en/collections/constellation/">Constellation</a></li>
<ul>
<li><a href="/sitemap/en/collections/constellation/explore/">Explore</a></li>
<ul>
<li>Flawless leather</li>
<li>Ceramic keypad</li>
<li>Locking device</li>
<li>spare</li>
<li>Rotate</li>
<li>Zoom</li>
</ul>
<li><a href="/sitemap/en/collections/constellation/range/">Range</a></li>
<ul>
<li>Polished Stainless Steel black leather</li>
<li>Yellow Gold black leather</li>
<li>Yellow Gold dark brown leather</li>
<li>Rose Gold black leather</li>
<li>Satin Stainless Steel black leather</li>
<li>Satin Stainless Steel dark brown leather</li>
<li>Satin Stainless Steel tan leather</li>
<li>Polished Stainless Steel pink leather</li>
<li>Satin Stainless Steel burgundy leather</li>
<li>Mixed Metals black leather</li>
</ul>
<li><a href="/sitemap/en/collections/constellation/monogram/">Monogram</a></li>
<ul>
<li>Red</li>
<li>Pewter</li>
<li>Green</li>
<li>Cerise</li>
<li>Sky Blue</li>
</ul>
<li><a href="/sitemap/en/collections/constellation/features/">Features</a></li>
<ul>
<li>GRPS-enabled functions</li>
<li>The ultimate international handset</li>
</ul>
<li><a href="/sitemap/en/collections/constellation/specification/">Specification</a></li>
<ul>
<li>Models</li>
<li>Performance</li>
<li>Display and keyboard</li>
<li>Connectivity</li>
<li>Features</li>
<li>Language support</li>
</ul>
</ul>
<li><a href="/sitemap/en/collections/ascent-ti/">Ascent Ti</a></li>
<ul>
<li><a href="/sitemap/en/collections/ascent-ti/explore/">Explore</a></li>
<ul>
<li>Titanium</li>
<li>Sapphire Crystal</li>
<li>Ceramic Pillow</li>
<li>Vertu Fortress</li>
<li>Vertu Concierge</li>
<li>Floodlit Keypad</li>
</ul>
<li><a href="/sitemap/en/collections/ascent-ti/range/">Range</a></li>
<ul>
<li>Black</li>
<li>Brown</li>
<li>Red</li>
</ul>
<li><a href="/sitemap/en/collections/ascent-ti/the-tests/">The Tests</a></li>
<ul>
<li>Torque</li>
<li>Screen Impact</li>
<li>Controlled Free Fall</li>
<li>Resistance - Heat</li>
</ul>
<li><a href="/sitemap/en/collections/ascent-ti/specification/">Specification</a></li>
<ul>
<li>Models</li>
<li>Performance</li>
<li>Display and keyboard</li>
<li>Connectivity</li>
<li>Features</li>
<li>Language support</li>
</ul>
<li><a href="/sitemap/en/collections/ascent-ti/inside-ti/">Inside Ti</a></li>
<ul>
</ul>
</ul>
<li><a href="/sitemap/en/collections/ascent/">Ascent</a></li>
<ul>
<li><a href="/sitemap/en/collections/ascent/explore/">Explore</a></li>
<ul>
<li>Chassis</li>
<li>Speaker</li>
<li>Leather</li>
<li>spare</li>
<li>Rotate</li>
<li>Zoom</li>
</ul>
<li><a href="/sitemap/en/collections/ascent/range/">Range</a></li>
<ul>
<li>Black</li>
<li>Orange</li>
<li>Solid Red</li>
<li>Brown</li>
</ul>
<li><a href="/sitemap/en/collections/ascent/specification/">Specification</a></li>
<ul>
<li>Models</li>
<li>Performance</li>
<li>Display and keyboard</li>
<li>Connectivity</li>
<li>Features</li>
<li>Language support</li>
</ul>
</ul>
<li><a href="/sitemap/en/collections/signature/">Signature</a></li>
<ul>
<li><a href="/sitemap/en/collections/signature/explore/">Explore</a></li>
<ul>
<li>Ceramic earpiece</li>
<li>Backplate</li>
<li>Certified materials</li>
<li>spare</li>
<li>Rotate</li>
<li>Zoom</li>
</ul>
<li><a href="/sitemap/en/collections/signature/range/">Range</a></li>
<ul>
<li>Duo Stainless Steel</li>
<li>18 Carat Yellow Gold</li>
<li>Stainless Steel</li>
<li>18 Carat White Gold</li>
<li>Stainless Steel Reflective</li>
<li>Stainless Steel with Yellow Metal Keys</li>
<li>Stainless Steel with yellow metal bezel</li>
<li>Stainless Steel with red metal bezel</li>
<li>Stainless Steel with yellow metal details</li>
</ul>
<li><a href="/sitemap/en/collections/signature/specification/">Specification</a></li>
<ul>
<li>Models</li>
<li>Performance</li>
<li>Display and keypad</li>
<li>Connectivity</li>
<li>Features</li>
<li>Language support</li>
</ul>
</ul>
<li><a href="/sitemap/en/collections/signature-diamonds/">Signature Diamonds</a></li>
<ul>
<li><a href="/sitemap/en/collections/signature-diamonds/explore/">Explore</a></li>
<ul>
<li>Discover the range A</li>
<li>Discover Signature White Diamonds</li>
<li>Discover Signature Coloured Diamonds</li>
</ul>
<li><a href="/sitemap/en/collections/signature-diamonds/white-diamonds/">White Diamonds</a></li>
<ul>
<li>White gold full pavé with baguette keys</li>
<li>White gold full pavé</li>
<li>Yellow gold full pavé with baguette keys</li>
<li>Yellow gold full pavé</li>
<li>Platinum Solitaire</li>
</ul>
<li><a href="/sitemap/en/collections/signature-diamonds/coloured-diamonds/">Coloured Diamonds</a></li>
<ul>
<li>Signature Rose Gold Pink Sapphires</li>
<li>Signature Rose Gold Pink Diamonds</li>
<li>Signature Yellow Diamonds</li>
<li>Signature Black & White Diamonds</li>
</ul>
<li><a href="/sitemap/en/collections/signature-diamonds/specification/">Specification</a></li>
<ul>
<li>Models</li>
<li>Performance</li>
<li>Display and keypad</li>
<li>Connectivity</li>
<li>Features</li>
<li>Language support</li>
</ul>
</ul>
<li><a href="/sitemap/en/collections/limited-editions/">Limited Editions</a></li>
<ul>
<li><a href="/sitemap/en/collections/limited-editions/racetrack-legends/">Racetrack Legends</a></li>
<ul>
<li>Collection</li>
<li>Explore</li>
<li>The Racetracks</li>
</ul>
<li><a href="/sitemap/en/collections/limited-editions/ferrari-1947/">Ferrari 1947</a></li>
<ul>
<li>Collection</li>
<li>Explore</li>
<li>The Racetracks</li>
</ul>
</ul>
<li><a href="/sitemap/en/collections/special-editions/">Special Editions</a></li>
<ul>
<li><a href="/sitemap/en/collections/special-editions/summer-colours/">Summer Colours</a></li>
<ul>
<li>Launch Summer Colours</li>
</ul>
</ul>
</ul>
<li><a href="/sitemap/en/accessories/">Accessories</a></li>
<ul>
<li><a href="/sitemap/en/accessories/ascent-ti/">Ascent Ti</a></li>
<ul>
<li><a href="/sitemap/en/accessories/ascent-ti/leather/">Leather</a></li>
<ul>
</ul>
</ul>
<li><a href="/sitemap/en/accessories/ascent/">Ascent</a></li>
<ul>
<li><a href="/sitemap/en/accessories/ascent/leather/">Leather</a></li>
<ul>
</ul>
<li><a href="/sitemap/en/accessories/ascent/technical/">Technical</a></li>
<ul>
</ul>
</ul>
<li><a href="/sitemap/en/accessories/constellation/">Constellation</a></li>
<ul>
<li><a href="/sitemap/en/accessories/constellation/leather/">Leather</a></li>
<ul>
</ul>
<li><a href="/sitemap/en/accessories/constellation/technical/">Technical</a></li>
<ul>
</ul>
</ul>
<li><a href="/sitemap/en/accessories/signature/">Signature</a></li>
<ul>
<li><a href="/sitemap/en/accessories/signature/leather/">Leather</a></li>
<ul>
</ul>
<li><a href="/sitemap/en/accessories/signature/technical/">Technical</a></li>
<ul>
</ul>
</ul>
</ul>
<li><a href="/sitemap/en/where-to-buy/">Where to Buy</a></li>
<ul>
</ul>
<li><a href="/sitemap/en/for-owners/">For Owners</a></li>
<ul>
<li><a href="/sitemap/en/for-owners/user-guides-and-setup/">User Guides & Setup</a></li>
<ul>
</ul>
<li><a href="/sitemap/en/for-owners/register-your-vertu/">Register your Vertu</a></li>
<ul>
</ul>
<li><a href="/sitemap/en/for-owners/use-your-vertu/">Use your Vertu</a></li>
<ul>
<li><a href="/sitemap/en/for-owners/use-your-vertu/ascent/">Ascent</a></li>
<ul>
<li>Adding a contact</li>
<li>Adding a diary event</li>
<li>Changing the handset language</li>
<li>Enabling Bluetooth</li>
<li>Setting the alarm</li>
<li>Setting the time & date</li>
</ul>
<li><a href="/sitemap/en/for-owners/use-your-vertu/constellation/">Constellation</a></li>
<ul>
<li>Adding a contact</li>
<li>Adding a diary event</li>
<li>Changing the handset language</li>
<li>Inserting the SIM card</li>
<li>Enabling Bluetooth</li>
<li>Setting the alarm</li>
<li>Setting the time & date</li>
<li>Worldmate: Clocks</li>
<li>Worldmate: Currency</li>
<li>Worldmate: Flight status</li>
<li>Worldmate: Weather</li>
<li>Worldmate: World map</li>
</ul>
<li><a href="/sitemap/en/for-owners/use-your-vertu/signature/">Signature</a></li>
<ul>
<li>Adding a contact</li>
<li>Adding a diary event</li>
<li>Changing the handset language</li>
<li>Setting the alarm</li>
<li>Setting the time & date</li>
</ul>
</ul>
<li><a href="/sitemap/en/for-owners/frequently-asked-questions/">Frequently Asked Questions</a></li>
<ul>
</ul>
<li><a href="/sitemap/en/for-owners/vertu-fortress/">Vertu Fortress</a></li>
<ul>
</ul>
</ul>
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<td style="vertical-align: top; width: 70%;">
The ceramic used on the earpiece of a Vertu handset is similar to the material used to protect the outside of the Space shuttle<br />
<br />
The backplate of Signature is a fusion of two very powerful materials: very hard ceramic and very strong titanium<br />
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The 18 carat gold, platinum and diamonds used to encase Vertu's precious metal handsets are certified by the Swiss Assay Office<br />
<br />
The Common Control Marks of the Vienna Convention of 1972 consist of the representation of a balance together with a number in Arabic numerals showing the standard of fineness of the article in parts per thousand.<br />
<br />
The Official Swiss Hallmark for all precious metals and for all the legal fineness standards which are acceptable in Switzerland, is the head of a St. Bernard dog.<br />
<br />
The standard of fineness of the article in parts per thousand.<br />
<br />
The "poinçon de maître" is a "responsibility mark", and is defined as a symbol which, taken as a whole, identifies the owner of the mark. The symbol in this image identifies the owner as Vertu.<br />
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