Bell & Ross is showing off its engineering expertise with a timepiece that features an ultra-thin movement that sits between two sapphire crystal plates. Measuring just 4.05mm thin, the Bell & Ross BR-X2 Microrotor is sized at 42.5mm and features a one-piece stainless steel case that beautifully integrates with the movement. The movement is an automatic BR-CAL.380 with a flying tourbillon at 6 o'clock. The dial is skeletonized and features Superluminova-filled hours and minute hands and a grey leather alligator strap. 

The watch is available now and is limited to 99 pieces.

$64,900, bellross.com

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