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

Remarks:

• Swan-neck fine adjustment
• Screw-set jewels (Chatons)
• Barrel with Maltese cross stopwork
• The IWC 52 is available in various stages of development, different sizes from 18 to 21”’ and different heights
• Movement family:
  • IWC 52: Lépine (open face) movement
  • IWC 53: Savonnette (hunter) movement

• Listing ID: 18691
• Manufacturer / Brand: IWC
• Caliber: 52 19''' H6
• Size in French Lignes: 19'''
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown with pin/pusher
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 16
• Setting Lever Screw/Pin Position: None (Negative Winding)
• Balance Position: Right (0 - 120°)
• Holes in setting lever spring or rocking bar: 0 = no setting lever spring and no rocking bar
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic screw balance with Breguet hairspring
• Power Reserve: Approx. 30 hours
• Production Period: 1904 - 1926 (all IWC 52 variants: 1888 - 1940)
• Country: Switzerland
• Identification: Movement marked JWC. Listed in the IWC catalog from 1906 onwards.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)