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Bell & Ross BR-X5 Green Lum Introduces New Luminescent Case

Bell and Ross BR-X5 Green Lum

Bell & Ross have quite quietly been having an impressive close to 2023 with the BR 03 41mm collection revitalising one of their core ranges, the BR 03 Gyrocompass adding a sense of fun with its airplane hour hand and now this, the BR-X5 Green Lum. The Green Lum is the spiritual successor of models like the Full Lum except that instead of a fully lumed dial, it has a fully luminescent case.

Bell and Ross BR-X5 Green Lum

The case measures 41mm in diameter with a multi-layered construction consisting of black DLC coated titanium and a new luminescent material developed specially for this watch, LM3D. In the official press release LM3D is described as a fibreglass composite consisting of quartz fibres that diffuse a strong green luminescence.

Bell and Ross BR-X5 Green Lum

It gives the watch a cool futuristic aesthetic, off-white in light conditions and glowing vividly in the dark. Bell & Ross pride themselves on creating watches inspired by vehicles, but this is less cockpit of a Boeing Airbus and more the cockpit of Blue Origin New Shepard. Just make sure not to leave it on your bedside table by mistake unless you want a nightlight.

Bell and Ross BR-X5 Green Lum
Bell and Ross BR-X5 Green Lum

Beyond the updated materials of the case and the greater proportion of SuperLumiNova on the display’s hands, hour markers, date window and power reserve subdial, it’s a pretty straightforward addition to the BR-X5 collection. It features the same functions and houses the same movement.

Bell and Ross BR-X5 Green Lum

Specifically, it’s the BR CAL.323, which is the first Bell & Ross manufacture movement, designed in collaboration with the movement experts at Kenissi. It has a superb 70-hour power reserve which is vastly superior to the Sellita movements they use in other collections – although the recent update to the BR 03 with the 41mm collection did improve that particular benchmark.

Bell and Ross BR-X5 Green Lum

Ultimately the Bell & Ross BR-X5 Green Lum is a really cool limited edition with the right mix of cutting-edge materials, fun design and technical mechanics. Although, all of those things do combine to make it very exclusive with only 500 being produced at a price of £12,000, which is up there, but by no means the most expensive watch Bell & Ross have ever produced. And with the new LM3D case, it is truly a unique timepiece.

Price and Specs:

Model: Bell & Ross BR-X5 Green Lum
Ref: BRX5R-LUM-TC/SRB
Case: 41mm width, black DLC coated grade 2 titanium, upper and lower inserts and bezel insert in green luminescent fibreglass composite
Dial: Matte black
Water resistance: 100m (10 bar)
Movement: Bell & Ross calibre BR-CAL.323, automatic, 28 jewels
Frequency: 28,800 vph (4 Hz)
Power reserve: 70h
Functions: Hours, minutes, seconds, date, power reserve indicator
Strap: Black openworked rubber
Price: £12,000, limited to 500 pieces

More details at Bell & Ross.

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About the author

Michael Sonsino

As Digital Editor for Oracle Time, Michael needs an eye for detail, which makes it a good thing that his twin joys in life are miniatures and watches. He's a lifelong fan of fine timepieces, especially those of a more historic nature - if it has a twist of Art Deco, all the better. Recent purchase: Seiko Prospex 1959 Alpinist Modern Re-Interpretation. Grail watch: Vacheron Constantin Historiques American 1921.