Time check: Clocks that take you down memory lane

The ‘watch’ that you see in the photo is one of the most accurate timepieces ever built.

Developer Rodolphe Le Targat says the optical lattice clock won't gain or lose a second in 300 million years - that’s three times more accurate than atomic clocks currently used around the world to set time.

Atomic clocks detect the oscillations or movements of atoms within the element caesium to measure time.

The lattice clock differs. It uses lasers to gauge oscillations of atoms in the element strontium, which according to Le Targat, makes a big difference.

This clock can help to make satellites give us more accurate results.

How and when the new clock will be utlilised is a question that Le Targat says: “only time will tell.”

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A clock is stuck to a wall opposite the Lindo Wing of St Mary's Hospital, where Catherine, Duchess of Cambridge has been admitted to give birth, in London.

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A stopped clock in a government office sits between files, which are stuck in bureaucracy.

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Brazilian soccer icon Pele gestures in front of the countdown clock during an event marking one year to the kick-off of the 2014 FIFA World Cup at Copacabana beach in Rio de Janeiro June 12, 2013.

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Visitors stand in front of relics of a collapsed middle school and a clock sculpture showing 14:28, the time when the 7.9 earthquake in 2008 which killed nearly 70,000 people struck, ahead of the 5th anniversary of the earthquake at a memorial relics park in Yingxiu township, Sichuan province.

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The clock, set to the time of liberation, of the Gate Building at former concentration camp Buchenwald is pictured near Weimar.

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Peter Shugrue checks one of four custom, flush mounted clocks, destined for installation in Kansas City, Missouri, at the Electric Time Company factory in Medfield, Massachusetts.

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Workers fix a clock installed on a flower bed at a business district in Beijing.

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The Grand Central Terminal Clock sits above the information booth at the center of the main concourse at Grand Central Terminal in New York.

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Workers are pictured beneath clocks displaying time zones in various parts of the world at an outsourcing centre in Bangalore.

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Increasingly, people are relying on their gadgets to check time than on the physical clock/watch. In the picture a person holds up an Apple iPad with the latest operating system in this illustration picture taken in Madrid.

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A wall is seen inside of a home in the earthquake-stricken village of Varzaqan near Ahar, in the East Azerbaijan province.

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Muslims stand behind Islamic prayer clocks installed at a mosque after Friday prayers during the holy month of Ramadan in Kolkata.

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A commemorative cup for the London 2012 Olympic Games sits next to a Big Ben clock tower tea pot in a shop window in London.

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Jamie Penaloza, a member of Sotheby's auction house staff poses for a photograph looking at The Shah of Persia's Elephant Automation Clock, circa 1780, with a guide price of pound 1-2 million ($1.5 million - $3 million).

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Municipal workers lay flowers in the street clock in Kiev.

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The old tower is seen collapsed after an earthquake in Finale Emilia.

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The Gastown Steam Clock marks the noon hour in Vancouver, British Columbia.

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A shoe shine man sits in front of a closed shop in central Athens waiting for customers to appear.

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A visitor is reflected in a mirror at a curio shop at the annual "Kala Ghoda" (Black Horse) arts festival in Mumbai.

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Detail of the clock that adorns the Grand Lounge South Beach mansion formerly owned by fashion designer Gianni Versace in Miami Beach, Florida.

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A French Puma Support helicopter from the French Army Air Corps flies past Big Ben as it participates in a training exercise in London.

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People wait to see the "La Estrella" (The Star) brotherhood procession during Holy Week in the Andalusian capital of Seville, southern Spain.

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A wooden clock is seen hanging in the house of Andrey Martynuk, a watch maker, in the town of Dzerzhinsk, some 40 km (25 miles) southwest of Minsk.

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Cuckoo clocks are on display at a stall in a Christmas market in Potsdam.

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A roadside vendor waits for customers at his stall of clocks and watches in the old quarters of Delhi.