Jewellery, Watches, Silver and Objects of Vertu

Bremont. A rare limited edition stainless steel diver’s wristwatch made for the members of The Royal Household for Her Majesty The Queen’s Platinum Jubilee, Ref. S300/301, Supermarine, circa 2022.
Movement: cal. BE-92AE, automatic, 21 jewels.
Dial: black, Arabic and baton indexes, aperture for date, Royal Coat of Arms at 6 o’clock.
Case: stainless steel, DLC treated case barrel, screw-down back with the Royal Cypher of Queen Elizabeth II, rotating calibrated ceramic bezel, rubber strap, double folding stainless steel buckle.
Signed: case, dial, movement and buckle.
Dimensions: diameter 40mm.
Accessories: warranty card, ISO 3159 certificate, instruction booklet, strap tool, leather case.
£3,000-£5,000

This Bremont Supermarine S300 watch was part of a special commission made by The Royal Mews, a division of the Royal Household, to mark the occasion of Her Majesty The Queen’s Platinum Jubilee. The limited production run of 50 pieces were only available to those working for The Royal Household. The dial displays the Royal Coat of Arms and the case back depicts the Royal Cypher of Queen Elizabeth II.


Bremont is an award-winning luxury watch brand based in Henley-on-Thames, England. Founded by brothers Nick and Giles English in 2002, they produce watches inspired by their love of flying and based on the ideals of British watchmaking. All their watches are either COSC or ISO chronometer rated and hand built in the UK.