NAVITEC Chronograph Tango Charlie Automatic

Distinguished by its large dimensions and an asymmetrical case, the TCA chronograph represents Navitec’s reference segment in general sales, originally reserved for professionals of light craft aviation. Equipped with a tried and tested self-winding calibre, this technical tool also explores a new stylistic approach. Both astounding and highly performing, this watch represents for Navitec and its designer the logical culmination of thirty years of persistent development in aeronautical instrumentation.

TCA was developed by René and David Attias to represent the premier segment in Navitec’s collection and the watch incarnates a new vision in specialized watchmaking. First and foremost, its steel case is a daringly oversized 48 mm in diameter.

In terms of design, the construction of the case using two steel pieces highlights the asymmetrical style of the entire model. Essentially, the horn (the part to which the strap is attached) located beside the reset push button (at 5 o’clock) was countersunk and then replaced by a similar component in black, PVD-treated steel or pure steel and then affixed to the watch through an invisible anchoring system worked into the inside of the case.

The extremely precise assembly process does not compromise the watch’s water-resistance, which is guaranteed up to 20 atmospheres, but allows for an otherwise invisible jointure, distinguishable only by the striking colour difference when the new component is PVD-treated in black. This innovative mechanical construction creates a particularly desirable outcome: it draws attention to this atypical device once the viewer has been captivated by its singular construction.

The details of the finish of the case middle for this product of reference – a product whose very nature must inspire aeronautical values – were designed only after intense reflection. René Attias wanted to integrate grooves running from the strap bolt holes on the horns which would then extend along the sides of the watch. In fact, what is remarkable about this technique is that by multiplying the straight lines within the watch’s dimensions, the piece appears visually more delicate than it truly is.

Furthermore, these grooves which highlight the satiny finish of the polished metal also allude to the cylinders of an engine block, which, like many used in civil aviation, come equipped with cooling fins. To perfect the overall profile of the chronograph drawn in such a way so as to adapt to any wrist, Navitec undertook significant work on the bracelet. In order to integrate the strap into this lovely architecture, a kind of insert was specifically designed for the TCA.

The real uniqueness of Navitec’s Tango-Charlie Automatic chronograph also comes from its movement. The watch is powered by a Swiss made self-winding mechanical calibre.
Navitec selected the renowned ETA 2894-2 calibre, not by accident but for its objective qualities.

Robust, technically accomplished and precise, this calibre has 37 rubies and beats at a sustained rhythm of 28,800 turns per hour. The calibre is visible through the chronograph’s transparent sapphire back and propels this new technical instrument to the top of a collection today endorsed by a great number of pilots.

Appreciated for the seriousness of its constructions and the ease of using its rotating bezel during flight, Navitec charged itself with offering a chronograph whose highly studied aesthetic would make its wearer proud.

And because the details which increase an object’s perceived value should never be overlooked, the powerful rotating bezels bearing the engraved information which is vital for pilots, are, as always, furnished with the watch and retain their famous stamped, hand-screwed markers for that final symbol of distinction.

Technical details

In Stainless steel 316 L brushed and polished
Construction in two pieces
Patented interchangeable bezel system
Antiglare sapphire on both crystal and case-back
Screwed crown and push button
Water- resistant down to 200 meters
Diameter: 48 mm / thickness
Navigation bezels: 60-minute bezels with four steel ride; Computer slide rule

Black with Superluminova hands and indexes
Graduated bezel ring
Marking on the minute counter for standard turn rates 1 and 2

Self-winding mechanical movement chronograph ETA 2894-2
Personalised Rotor Navitec
37 jewels
28800 vibrations an hour
Power reserve: approximately 42 hours
High precision adjustment in 4 positions (tolerance of 0/+10 seconds a day)

Hours, minutes, seconds.3-counters chronograph (12-hour, 30-minute and 60-second counters)
Date with quick correction
Hour setting with second stopped

Available in genuine leather or genuine alligator

Retail price
Start from 4500 €

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