19”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Movement family:
  • Tissot 43: Lépine (open face) movement, flat hairspring
  • Tissot 43.A: Lépine (open face) movement, Breguet hairspring, 3 jewels screw-set (Chatons)
  • Tissot 43.B: Lépine (open face) movement, flat hairspring, difference to 43 not known
  • Tissot 43 S.: Savonnette (hunter) movement, Breguet hairspring

• Listing ID: 18933
• Manufacturer / Brand: Tissot
• Caliber: 43 S.
• Size in French Lignes: 19'''
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Holes in setting lever spring or rocking bar: 2
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance with Breguet hairspring
• Power Reserve: Unknown
• Production Period: 1930+ (Tissot 43)
• Country: Switzerland
• Identification: Wheel train bridge marked with Tissot. Marked with Cal. 43 S. under the balance wheel. No listed in any movement catalog known to me.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)