18 3/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Balance wheel visible from the dial side (see extra picture)

• Listing ID: 8770
• Manufacturer / Brand: Hebdomas / Schild / Orator
• Caliber: 101
• Size in French Lignes: 18 3/4''', height 9.1 mm
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 8 days
• Production Period: Unknown, probably around 1915+
• Identification: Dial side marked with HEBDOMAS and Schild logo with 101. Listed in the Classification Horlogère from 1949.
• External Link 2: https://watch-movements.eu/blog/en/2023/08/06/hebdomas-a-look-into-the-watch-movement/
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)