12 1/2”’ | Hand Wind | Swiss Lever | Small Seconds

• Listing ID: 21024
• Manufacturer / Brand: Certina
• Caliber: 28-10
• Size in French Lignes: 12 1/2'''
• Size range mm largest diameter: 22 - 31 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: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Incabloc
• Beats per hour: 19,800
• Balance Type: Glucydur
• Power Reserve: Approx. 46 hours
• Production Period: Unknown, probably around 1962
• Country: Switzerland
• Identification: Movement marked with CERTINA and 28-10. Listed in the Flume K2 catalog from 1962.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)