19 3/4”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Predecessor of the famous Hebdomas movements. For more details see link below
• Balance on the dials side
• Very large mainspring barrel covers the entire back of the movement
• Large regulator allows for regulation from the dial side in a Goliath sized watch
• Screw on the barrel cover has a left-hand thread
• Patent numbers 88 and 2 on the mainspring barrel cover refer to Swiss patent CH88 and CH2E (Exentsion to CH88), both granted to Irénée Aubry. Aubry transferred these patents to the firm Aubry, Graizely & Godat in 1889.

• Listing ID: 14682
• Manufacturer / Brand: Graizely
• Caliber: 8 Days
• Size in French Lignes: 19 3/4'''
• 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: 15
• Setting Lever Screw/Pin Position: Left
• Balance Position: Right (0 - 120°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic screw balance
• Power Reserve: Approx. 8 days
• Production Period: Unknown, probably around 1890
• Country: Switzerland
• Identification: Movement marked with patent numbers 88 and 2 and with G. A. La Ferriere (trademark of Graizely) on the mainspring barrel cover, and with GRAIZELY ARTHUR on the dial side,
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
• External Link 2: https://watch-movements.eu/blog/en/2023/08/06/hebdomas-a-look-into-the-watch-movement/