Bremont. A rare limited edition stainless steel diver’s wristwatch made for members of The Royal Household for the Coronation of King Charles III, ref. S500 Supermarine, circa 2023.
Movement: cal. BE-36AE, automatic, antimagnetic, 25 jewels.
Dial: dark blue, applied Arabic and baton indexes, apertures for day (in French & English) and date, King Charles cypher at 6 o’clock.
Case: stainless steel, DLC treated case barrel, screw-down back with the Royal Standard, rotating calibrated bezel, gas escape value, dark blue rubber strap with stainless steel buckle.
Signed: case, dial, movement and buckle.
Dimensions: diameter 43mm.
Accessories: warranty card, ISO 3159 certificate, instructions booklet, Nato strap, strap tool and presentation case.
£4,000-£7,000

The Bremont Supermarine S500 ‘Coronation’ watch was commissioned by The Royal Mews, a division of The Royal Household, based at Buckingham Palace. This was in order to mark the occasion of the crowning of His Majesty King Charles III on 6 May 2023. The watch was limited to a production run of 50, with pieces only available to those working for, or closely associated with, The Royal Household. The dial displays the King’s cypher and the darkened 8 o’clock baton is in acknowledgement of the day Charles acceded to the throne on his mother’s death on 8 September 2022, with the case back depicting the Royal Standard.

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.