17 1/4”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• S = Savonnette = hunter movement
• T1 = Transformation 1 (modification)
• 17p = 17 jewels
• There is also an Omega 39.1 L T1 (L = Lépine = open face)

• Listing ID: 14033
• Manufacturer / Brand: Omega
• Caliber: 39.1 S T1 17p
• Size in French Lignes: 17 1/4''' (39.1 mm)
• Size range mm largest diameter: 31 - 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic screw balance with Breguet hairspring
• Power Reserve: Unknown
• Production Period: 1923+ (total production volume: 17,400 pieces)
• Country: Switzerland
• Identification: Movement marked with Omega on the wheel train bridge and with 39.1 S T1 under the balance wheel. Listed in the Classification Horlogère from 1936.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)