17”’ | Key Wind | Cylinder | No seconds |

Remarks:

• For detailed information about the different types of Crettiez movement see Crettiez – Watch movements and social riots (watch-movements.eu) and the attached categorization chart.
• Technically identical to type 1a, but no extra cocks for the fourth and third wheel, but a common bridge for center wheel, third wheel and fourth wheel.

• Listing ID: 456
• Manufacturer / Brand: Crettiez
• Caliber: Crettiez 17''' Type 1b
• Size in French Lignes: 17'''
• Size range mm largest diameter: 31 - 40 mm
• Shape: Round
• Winding: Manual (Key)
• Hands Setting: Key
• Seconds Hand: None
• Escapement: Cylinder
• Date, Day, Month...: None
• Jewels: 10
• Setting Lever Screw/Pin Position: None (Key Winding)
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Brass
• Power Reserve: Unknown
• Production Period: Around 1900
• Identification: See link mentioned above
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-53#post-7219982
• External Link 2: https://watch-movements.eu/blog/en/2022/05/01/crettiez-watch-movements-and-social-riots/
• Country: France
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)