Only Watch 2021 — the most prominent biennial charity watch auction in the world — takes place this Saturday in Geneva, begging at 9 AM EST.

For this year’s Only Watch auction, the 9th edition of the auction that donates all the proceeds to Muscular Dystrophy Bell & Ross created a one-of-kind, sapphire version of their BR 01 Cyber Skull. Featuring the same 43.3 mm diameter case as the BR 01 Cyber Skull that was introduced in 2020, this watch takes it a step further by offering not just a sapphire skeleton dial but also a sapphire crystal case and skull.

Bell & Ross BR 01 Cyber Skull Only Watch 2021

Horologically, the watch is the same as the 2020 model, however, to manufacture the case, dial, and skull from sapphire crystal, for a one-off piece (although the design can and likely will be reused in the future), likey required significant R&D due to the fact that sapphire crystal is a 9 out of 10 on the Mohs scale, second only to diamonds, and is therefore incredibly hard to manufacture. According to Bell & Ross, the sapphire case is machined from three blocks of sapphire, while the Skull dial is even more complicated to produce, and required six blocks of sapphire.

Bell & Ross BR 01 Cyber Skull Only Watch 2021

Beyond the crystal clear case — the faceted orange-tinted sapphire skull is the highlight of the watch, and while not a Richard Mille Skull timepiece — it has a similar appeal. In addition to hours and minutes, the skull moves when you wind the watch. The hand-wound caliber BR-CAL.209 movement beats at 4Hz, has 21 jewels, and a 48-hour power reserve. A faceted titanium crown is used to set and wind the timepiece.

Cyber Skull Sapphire Only Watch 2021

Bell & Ross skeletonized the rhodium-plated mainplate and bridges, polished the chamfers, and velvet sanded the hollows. Perhaps most interestingly, the mainplate follows the outline of the sapphire Skull. (Ref. BR01-CSK-OW-SAPHIR)

Learn more at Only Watch.

Posted by:Prowatches