As the Queen of England, Queen Elizabeth II, 92, is the owner of countless jewels – such as the Japanese Pearl Choker and the Russian Fringe Tiara.
Among her collection is an incredible diamond-set watch, which she wore on her Coronation Day back in 1953.
Meghan Markle, 37, famously borrowed a tiara from Queen Elizabeth’s private collection of jewels when she married the royal’s grandson Prince Harry, 34, back in May this year.
And now, watch brand Bucherer have offered Express.co.uk some insight into how two of the royals’ timepieces compare.
So, let’s take a closer look at the experts’ in-depth review of what the famous pair have worn on their wrists.
The Duchess of Sussex is the owner of a Cartier Tank Francaise watch – which is said to be her favourite.
The item is of great sentimental value, being the present that the former actor bought herself as a present in celebration of her former show Suits reaching a milestone moment.
According to experts, the timepiece’s elegant design makes it one of the most classic watches out there, Bucherer said.
“Newer versions of the watch retain the original elements of the original Tank design – which was influenced by military tanks from the WWI period and dates back to 1919,” they added.
An update to the classic Tank style, the Francaise timepieces feature precise quartz movement as well as a metal linked bracelet.
In addition, the curved case is set at the centre of the bracelet, seamlessly mimicking its lines – meaning its not dissimilar to the classic design, but with a modern finish.
Meanwhile, Queen Elizabeth II is the owner of an extraordinary Jaeger-LeCoultre Calibre 101.
She wore the timepiece to her coronation at the age of 25.
The Calibre 101 holds a record – in that it houses the smallest mechanical movement to have ever been created.
In celebration of 60 years of her reign, the Swiss watch company presented her with a new 101 creation.
The original watch was created in 1929, Bucherer said, with the “idea of creating a precise and dainty accessory that could tell the time”.
Its record-breaking small movement “encapsulated delicacy and femininity” – as well as giving in-house designers “room to fuse high-end jewellery with horology”.
In the Luxury Swiss Jeweller’s report, it’s claimed the Calibre 101 is one of the brand’s most recognisable designs.
Fit for a Queen, the white gold timepiece is set with baguette diamonds.
Its so small that its 98 minuscule parts weight just one gram.