18”’ | Hand Wind | Cylinder | Small Seconds |

Remarks:

• Lépine = Open face
• Here, the year of registration was added to the caliber designation model No. 4, as Froidevaux registered a model No. 4 a total of three times over several years. This was absolutely unusual, as manufacturers did not normally assign the same model number more than once.

• Listing ID: 356
• Manufacturer / Brand: Froidevaux
• Caliber: Model No. 4 1902 Lépine
• Size in French Lignes: 18'''
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown with pin/pusher
• Seconds Hand: Small seconds
• Escapement: Cylinder
• Date, Day, Month...: None
• Jewels: 10
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Holes in setting lever spring or rocking bar: 0 = no setting lever spring and no rocking bar
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Brass
• Power Reserve: Unknown
• Production Period: Around 1902
• Country: Switzerland
• Identification: Registered by Froidevaux on February 25, 1902 under the number 8507 in the Swiss Official Gazette of Commerce as model No. 4. Model No. 4 is not an official caliber designation, but was used to register the design.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-59#post-8308817
• External Link 2: https://watch-movements.eu/blog/en/2023/07/01/froidevaux-from-porrentruy-in-switzerland/