Show You The Roger Dubuis Excalibur Spider Pirelli Automatic Skeleton Replica

Roger Dubuis Men’s Replica has been on a spree of material innovation lately. A few weeks ago, I looked at the Excalibur Carbon Spider replica watch which had the first movement to feature significant use of carbon – specifically, the movement plate, bridges, and tourbillon upper cage were done in carbon. We also got to go hands-on with this replica watch, the Roger Dubuis Excalibur Quatuor Cobalt MicroMelt which is the first replica watch in the world to feature a case constructed entirely out of something called cobalt chrome – a high-strength alloy that serves as a suitable backdrop for the replica watch’s impressive quad layout balance.
Show You The Roger Dubuis Excalibur Spider Pirelli Automatic Skeleton Replica
Roger Dubuis released the first Excalibur Quatuor model back in 2013, and they were already experimenting with materials on the replica watch, offering a silicon model in a limited edition of 3 replica watches each priced at a staggering $1,000,000. The Roger Dubuis Excalibur Quatuor Cobalt MicroMelt doesn’t get near that price. Though, it is also a limited edition, coming in only 8 pieces. What was visually impressive then remains as such – check out the video above of the four balances in action.

As our Kenny Yeo put it when we covered this replica watch’s release, “Cobalt chrome is an alloy with a very high specific strength and biocompatibility, and it is used widely in the medical and aeronautical industries to make turbines, artificial knee and hip joints, and even dental crowns.” And as for MicroMelt, it’s the process that involves atomizing a molten alloy in a high-pressure gas stream.

The result is essentially a powder which is then subjected to blending, isostatic pressing, hot working, and processing. In this case, the process results in cobalt chrome. Additionally, many of the corrosion-resistant features of the replica watch are also due in part to the passive protection film that exists as a trait typical in most anti-corrosive metals. The vibrant sheen of the cobalt chrome coupled with the blue PVD on the plates and bridges is nothing short of a visual treat.


We wouldn’t be able to talk about a Quator replica watch without mentioning the array of four balances arranged symmetrically throughout the dial. They’re all angled at 45 degrees and occupy large internal cutaways that also leave most of the movement visible. In theory, these four balances linked by five differentials cancel out the effects of gravity on each individual balance. Whatever the reason may be for this approach, one thing is for sure – it looks really, really great. Check out the video above to get a close look at one of the balances in action.
Show You The Roger Dubuis Excalibur Spider Pirelli Automatic Skeleton Replica

The Roger Dubuis Excalibur Quatuor Cobalt MicroMelt replica watch has a 48mm-wide and 18.38mm-thick case, so it’s definitely a big replica watch but that’s really in the Roger Dubuis DNA at this point. Looking at the case back, we see the near-kaleidoscopic symmetry Roger Dubuis achieves with the the RD101 movement – a Geneva Seal-certified, 590-component caliber that also delivers a stifled 40 hours of power reserve. Looking through the case-back, we find much of the same blue PVD execution seen on the dial with a bit more decoration throughout the plate and bridges.

Not unlike other replica watches from the brand, the Roger Dubuis Excalibur Quatuor Cobalt MicroMelt blends a few automotive-inspired touches thanks to the minute track which, at least to my eye, is reminiscent of a speedometer. The hands are white gold with red tips and paired with a group of rhodium-plated indexes to complement the blue PVD and red color scheme I mentioned earlier. The same color scheme can be found in the power reserve indicator at 9 o’clock, which I found to be a playful touch considering how much of an afterthought most power reserve indications appear to be in other timepieces.

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