Marcus Tempus is an independent jewellery, watch and clock business established in 1984 and based in Barnet, North London. Combining modern design with heritage craftsmanship, it offers jewellery, timepieces and specialist workshop services, supported by on-site workshops and experienced craftspeople.

Its jewellery range includes rings, earrings, necklaces, bracelets and charms, alongside designer collections and natural coloured gemstones such as tourmaline, sapphire, opal, ruby, emerald and aquamarine. Customers can also commission bespoke jewellery, engagement and wedding rings, or remodel heirloom pieces. Repair services include ring sizing, chain repair, stone replacement, cleaning, polishing and rhodium plating.

Marcus Tempus sells new and pre-owned watches, including Swiss and contemporary brands, and provides mechanical and quartz servicing, battery replacement, pressure testing, case restoration and vintage watch restoration. Its clock selection spans antique, decorative and heritage styles, with services including longcase and Atmos clock restoration, musical box repair, barometer restoration, and dial and case work. The business also offers vintage jewellery and watch restoration, a postal watch service, and a two-year warranty on watch servicing.