| Manufacture | LeCoultre | |
| Société | LeCoultre & Cie | |
| Lieu | Le Sentier | |
| Calibre | Chronoflight A-10 et dérivés | |
| Dimensions | 85 mm x 70 mm | |
| Epaisseur | 30 mm | |
| Epoque | 1925 - 1990 | |
| Rubis | 13 - 15 | |
| Réserve de marche | 8 jours |
These on-board counters were bought and used by several countries around the world, in aircraft as well as for the navy and army.
For Russian models, please visit my archives under :
"Russian watchmaking".