Breguet Type XX Aeronavale

 Stainless Steel, Automatic, Chronograph with Flyback function.

 Breguet Caliber 582 Q

 Uni-Directional Rotating Bezel,

Luminous Hands, Luminous Arabic Numeral.

Size: 39.0mm, thick: 14.4mm

 Ref.3800ST/92/SW9

T Swiss T Dial

 Screw Down Crown

 Sapphire crystal

 Water-resistance to 100m/330ft.

 Condition 9.0 out of 10

 Comes with Box & Papers.

 Please contact me if you have any questions.

 Thanks for looking.

 ALL PICTURES ARE OF THE ACTUAL WATCH.

Excellent references

IWJG & NAWCC Member.