Breguet Type XX*** Flyback Chronograph*** 1960's

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BREGUET Vintage Type XX (Type 20) Flyback Chronograph,1960’s
Serial # B5588 outer / 70688 inner
Circa: 1960’s

DESCRIPTION:
Breguet vintage Type XX flyback chronograph, Circa 1950’s

MOVEMENT:
Valjoux 222, Hand-wound mechanical flyback chronograph, 17 jewels

DIAL:
Black Dial with Arabic numerals, subsidiary seconds counter at 9 o’clock and 15 minute chronograph register at 3 o’clock, Breguet logo printed on the dial.

CASE:
39mm, Stainless Steel with rotating bezel, screw-down case-back, acrylic crystal.

BRACELET:
Nylon NATO Strap

MANUFACTURER: Breguet

NOTES:
The Type 20 and Type 21 (Roman numeral "Type XX" and "Type XXI") Flyback chronographs were produced in the 50s and 60s by several brands, including Breguet, for French naval airmen and the air force. The technical program prepared by the French Ministry of Defence was categorical: Type 20 chronographs should be equipped with a flyback mechanism. Once the chronograph engaged, the flyback function allows simple, single button pressed until the reset counters and instantly start another timing. This feature is highly appreciated by aviators since it facilitates and makes more accurate calculation of trajectories.

Other features for the Type 20 chronograph mandated by the French Ministry of Defense: a case of at least 38mm diameter and 14mm thick, black dial with luminous hands and indexes, a mechanical self-winding movement with a power reserve of more than 35 hours on, a relative accuracy of + or - 8 seconds per day, and finally, the ability to support more than 300 times during the test periods the start, stop and reset the chronograph.

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