10 1/2”’ | Hand Wind | Swiss Lever | Indirect Sweeping Seconds |

Remarks:

• Sweeping Seconds with hacking
• Military variant of the Bulova 10AK for the navigation watch A-11 “Hack” of the Americans in World War II

• Listing ID: 12746
• Manufacturer / Brand: Bulova
• Caliber: 10AKCSH
• Size in French Lignes: 10 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 16
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Screw balance with Breguet hairspring
• Power Reserve: Unknown
• Production Period: 1943 - 1945
• Country: U. S. A.
• Identification: See https://mybulova.com/bulova-movement/10akcsh
• Contributor ©: Uhrforum.de member Opposed