5 3/4 x 7 1/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Movement family
  • Hamilton 750: 17 jewels
    Hamilton 751: 17 jewels, w/o decoration
    Hamilton 757: 22 jewels, KIF Flector shock protection
    Hamilton 77: 17 jewels, KIF Flector shock protection

• Listing ID: 8797
• Manufacturer / Brand: Hamiltin
• Caliber: 757
• Size in French Lignes: 5 3/4 x 7 1/4'''
• 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: 22
• Setting Lever Screw/Pin Position: Left
• Balance Position: Left (240 - 360°)
• Shock Protection: KIF Flector
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance with Breguet hairspring
• Power Reserve: Approx. 40 hours
• Production Period: Unknown, probably around 1950
• Country: U. S. A.
• Identification: Movement marked with HAMILTON 757.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)