Pierre DeRoche TNT Royal Retro RB Automatic Swiss Watches

The Swiss brand Pierre DeRoche keeps churning out new models powered by their exclusive caliber from the complications specialist Dubois Depraz. As its numerous siblings, the new Pierre DeRoche TNT Royal Retro RB automatic wrist watch offers you a rare retrograde display complication with whole six seconds hands strategically positioned around the dial.




While the functionality of the watch is quite modest (it only displays hours, minutes, seconds and date,) the way the data is presented is nothing, but impressive. Featuring a unique complication designed by Dubois Depraz, the watch sports whole SIX (yes, six! each responsible for its own ten seconds of any minute) retrograde seconds hands that, like some strange sea flower, are always in a state of constant motion feeling the flow of time with their tiny steel tentacles.

You can read more about the caliber in my brief review of the Pierre Deroche Milady Royal Retro watch that was presented early this year and I will continue with the new watch.

Although the mechanism itself is not particularly large (it’s my understanding that the base movement is a mundane ETA three-hander with a nice add-on module) and doesn’t require an oversized case to fit in, the watch is nevertheless presented in a huge stainless steel body that underlines the deliberate sporty attitude of the piece.

Pierre DeRoche TNT Royal Retro RB Automatic wrist watch

More than 47 millimeters in diameter, the multipart case is done in stainless steel with some of its components treated with black PVD, while the fixed steel bezel is rubber-molded in order to provide the most contrasting display of the Arabic numerals placed at “10”, “20”, “40” and “50” minutes and, again, make the watch look even sportier.

Skeletonized dials rarely blend seamlessly with expressly modern-styled bodies, however this one seems to be almost in perfect harmony with the rest of the watch. This is, perhaps, thanks to the clean, geometric forms of its main 12-pivot central bridge, as well as the six chambered satin-finished seconds bridges that not only serve their main function, but also decorate the dial of the watch.

I am not sure how much Pierre DeRoche is going to ask for it, but the watch is definitely hot.




By the way, here is an official computer rendering that depicts another member of the family (the TNT Grandcliff,) but gives you a good idea of how the retrograde complication actually works. Enjoy.

See also: Vergo Avius Leonardo Limited Edition (Ref. I05003)

Photos: Pierre DeRoche

Pierre DeRoche TNT Royal Retro RB Automatic watch specification

Price: Approx. $22,000
Movement: Automatic, exclusive by Dubois Depraz, Swiss Made
Number of jewels: 58
Movement frequency: 28,800 vph
Movement decoration: Extensively skeletonized, decorated by hand
Functions: Hours, minutes, seconds (six retrograde indicators), date
Power reserve: 42 hours
Case material: Stainless steel, black PVD
Bezel material: Stainless steel, rubber-molded
Crown material: Stainless steel
Case shape: Round
Bezel shape: Round
Case size: 47.50 mm
Case height: 13.00 mm
Lug width: No data
Dial: Skeletonized
Numerals: Arabic
Hour markers: Black
Hands: Luminous, sword-shaped
Water resistance: 30 meters
Strap: Overstitched rubber strap with steel safety folding clasp in steel
Crystal: Sapphire, antireflective
Case back: Sapphire


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