6 x 7 3/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Movement family:
  • No seconds
    • Omega 240 (R 13.5 15 pierres until 1949): 15 jewels, no shock protection
    • Omega 24 (R 13.5 AM 15 pierres): 15 jewels, no shock protection, anti-magnetic
    • Omega 242 (R 13.5 17 pierres): 17 jewels, no shock protection
    • Omega 243 (R 13.5 AM 17 pierres): 17 jewels, no shock protection, anti-magnetic
    • Omega 244 (R 13.5 PC AM 17 pierres): 17 jewels, Incabloc shock protection, anti-magnetic
    • Omega 245 (R 13.5 T1 PC AM 17 pierres): 17 jewels, Incabloc shock protection, anti-magnetic, 19,800 bph instead of 21,600 bph
  • Sweeping seconds
    • Omega 250 (R 13.5 SC 17 pierres until 1949): 17 jewels, no shock protection
    • Omega 251 (R 13.5 SC AM 17 pierres): 17 jewels, no shock protection, anti-magnetic
    • Omega 252 (R 13.5 SC PC AM 17 pierres): 17 jewels, Incabloc shock protection, anti-magnetic

• Listing ID: 12947
• Manufacturer / Brand: Omega
• Caliber: 244
• Size in French Lignes: 6 x 7 3/4'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Form
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: Incabloc
• Beats per hour: 21,600
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 48 hours
• Production Period: 1938 - 1959
• Country: Switzerland
• Identification: Movement marked with OMEGA and 244. Original datasheet from 1954 available.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)