Esto es lo unico que sale en la pagina oficial de Omega:
MOVEMENT
Caliber number: 33,3 CHRO
Created in 1933
17 jewels
MOVEMENT
Caliber number: 33,3 CHRO
Lemania
17 jewels
Created in 1933
MORE PRODUCT INFORMATIONS
OMEGA tachy-telemetric wrist chronograph, 1940:
Outside raised 1/5-second minute track with 5-60, telemetric scale for calculating distances up to 20 km, inside tachometric scale for calculating speeds between 500 and 20 km/h, 30-mi*nute totalizer at right, small seconds at left, polished leaf-shaped hands, steel case with modern Arabic numerals engraved in red on the bezel, lyre-shaped horns, start-stop push button at 2 o'clock and return-to-zero on the crown.
International Collection: not available
Swiss retail price (1937): CHF 180.-
En google si que salen varias cosas, pero no veo nada interesante.