12”’ | Automatic | Swiss Lever | Sweeping Seconds | Date |

Remarks:

• Date with quick-setting
• Seconds without hacking
• Automatic with unidirectional winding, called MAXIMATIC
• Last automatic caliber family from AS, called ‘Battle-Time’
• Movement family:
  • AS 5200: Manual winding, no date
  • AS 5201: Manual winding, date
  • AS 5202: Automatic, no date
  • AS 5203: Automatic, date
  • AS 5204: Manual winding, date, day
  • AS 5206: Automatic, date, day

• Listing ID: 17290
• Manufacturer / Brand: AS
• Caliber: 5203
• Size in French Lignes: 12'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Automatic
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: Date
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: Incabloc
• Beats per hour: 21,600
• Balance Type: Nickel
• Power Reserve: Approx. 44 hours
• Production Period: 1976+
• Country: Switzerland
• Identification: Movement marked with AS 5203 under the balance wheel. Original datasheet available.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)