18 1/4”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Movement looks like a mirrored version of the Parrenun caliber T (see extra picture)

• Listing ID: 17269
• Manufacturer / Brand: Parrenin
• Caliber: Model No. 18
• Size in French Lignes: 18 1/4'''
• 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: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Left (240 - 360°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance with Breguet hairspring
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1904
• Country: France
• Identification: Dial side marked with HP (Hippolyte Parrenin). Registered by Parrenin on 29.04.1904 in the Swiss Official Gazette of Commerce as model no. 18. Model No. 18 is not an official caliber designation, but was used to register the design.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)