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

Remarks:

• The Societé Horlogère de Porrentruy (S. H. P.) became the Phenix Watch Co. in the 1920s

• Listing ID: 20902
• Manufacturer / Brand: Porrentruy / S. H. P.
• Caliber: Model No. 115
• Size in French Lignes: 13'''
• Size range mm largest diameter: 22 - 31 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: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Brass
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1907
• Country: Switzerland
• Identification: Registered by the Societé Horlogère de Porrentruy on 27.11.1907 in the Swiss Official Gazette of Commerce as model no. 115. Model No. 115 is not an official caliber designation, but was used to register the design.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)