The chronograph Watch Flyback


TYPE 23   Chrono Power Reserve




In 2014, Dodane 1857 worked with Air France Pilots on the occasion of the airline’s eightieth anniversary in order to manufacture three exclusives watches based on TYPE 23 design.
Each serial is limited to 300 watches strictly reserved for pilots, crew and members of Air France Airline.

Bases on the watches developed in partnership with airline’s pilots and especially with the Captain Philippe Thépenier, Dodane 1857 is unveiling three new models in public limited serial


Several complications are added to the TYPE 23 chronograp



The watch also indicates the date at 4 hours.

The power reserve of the movement is indicate on a specific dial disk at 6 hours. The power reserve disk turns in 360 ° when the power reserve reach its maximum. The power reserve disk turns inside a minuature of a Dodane well know vintage aircraft and helicoptere onboard chronograph.


The power reserve disk indicate the remaining time before the watch stops. The power reserve disk turns clockwise and catches up power reserve hand when the watch is winding manually or by the automatic system.



The Wrist watch TYPE 21 is equipped with a special mechanism called «Flyback»,«retour en vol» or «taylor»


The Flyback function allows it to be instantly reset during the chronograph’s operation by pressing the lower push button, without having to first stop the operation with the higher push button.

When pressure is maintained on the second button, the hand stays at zero and only starts again when pressure is released. The fly-back device enables an aircraft pilot or ship’s captain to follow instructions and change headings according to a predefined course. Once a sequence has elapsed, a pressure on the button launches the following sequence.

The Flyback function assists precision of the timing function with respect to imposed time constraints during operational missions or by air traffic control.Once a  sequence has elapsed, pressing the push-button starts the following sequence.



As The TYPE 21 , The TYPE 23can be certified as a «chronometer» by the «National Observatory of Time Measurement» in Besancon.




 

TECHNICAL SPECIFICATIONS:


Le diamètre de la montre est de 42,5mm La finition de base du boîtier de la TYPE 23-RM est acier polie avec bracelet cuir noir à surpiqûres noires.

La montre hors mouvement


  • 316L stainless steel case, 42,50 mm in diameter, polish finishing or sandbalsted or black PVD sandbalsted finishing in option
  • Water resistant to 10 bars, pressure, depression, Bath of oil,
  • Hands and Dial Luminescent SuperLumiNova BGW9
  • Bidirectional rotating bezel,  brushed or polished With calculation 12 hours or black with calculation 60 min.
  • Scratch-resistant upper sapphire glass,
  • Fond transparent avec verre saphir.
  • Crown screwed for mechanical version,
  • Black calfskin handmade with butterfly claps.


OPTION TREATMENT BLACK PVD


Sandbalsted finishing or black PVD sandbalsted finishing in option,



Fonctionnalities:




  •  Two chronograph totalisators (minutes and permanent seconds), Flyback mechanism in option.


  • The date is displayed in a window at 4 o’clock,


  • The power reserve at 6 o’clock, within an “Onboard chronograph” design.




MOVEMENT FLYBACK DUBOIS-DEPRAZ 42030 ET 2030


The mechanical watch has been successfully subjected to strict testing for the regularity of its functions, its resistance to shocks and magnetic fields, its consistency during temperature variations, and water resistance.
It was manufactured according to the latest technology and with the highest quality of materialsassociated with precision movement.


The Flyback function allows it to be instantly reset during the chronograph’s operation by pressing the lower push button, without having to first stop the operation with the higher push button.
When pressure is maintained on the second button, the hand stays at zero and only starts again when pressure is released. The fly-back device enables an aircraft pilot or ship’s captain to follow instructions and change headings according to a predefined course.



TREATMENT BLACK PVD


The PVD (Physical Vapour Deposition) treatment consists in vacuum spray application of a very high quality titanium nitride metal coating. PVD-treated parts have a different aspect, with a black/ anthracite colour, as well as a marked improvement in scratchresistance compared to the original steel, thus confirming vocation as the sturdiest of timepieces capable of meeting most everyday and professional requirements without any risk of damage or premature wear.






CERTIFIED CHRONOMETER


The intrinsic qualities of theTYPE 23 movement enable us to offer, at special request, to have the watch certified a chronometric instrument by the official observatory of time measurement and verification of Besançon.


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