Hoptroff creates world’s first atomic wristwatch


London watch innovator Richard Hoptroff has added another world first to his repertoire with the creation of the world’s first atomic wristwatch.

Hoptroff, who creates Bluetooth-enabled and atomic clock-powered timepieces in his South Bank workshops, unveiled the world’s most accurate timepiece, the No. 10, last year using an onboard atomic clock as regulator.

Now the physicist and entrepreneur has created the No.16 using the same methodology but a distinctly different design. The wristwatch uses an infinity double dial design allowing enough space to minimise width and thickness ensuring comfort on the wrist.


The watch displays eight complications, with time, sidereal time and equation of time on the right face and perpetual date, perpetual moon phase, sunrise, sunset and power reserve. Two face figures bridge the dials with eyes of blue sapphire that glow once each minute.

Using the same technology as the No.10, the No.16 is the most accurate wristwatch in the world, accurate to one-and-a-half seconds every thousand years or one second per hundred years in low power mode. In low power mode the rechargeable No.16 has an estimated battery life of three months.

Just 100 pieces of the Hoptroff No.16 will be produced in either 950 platinum, 18ct gold and tarnish free Britannia Silver with prices starting at £8,150 plus tax.

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