19”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• 1892 is the year of registration of this model no. 1. Roemer-Ritter has registered another model no. 1 in 1896

• Listing ID: 17275
• Manufacturer / Brand: Roemer-Ritter
• Caliber: Model No. 1
• Size in French Lignes: 19'''
• 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: 16
• Setting Lever Screw/Pin Position: Right
• Balance Position: Left (240 - 360°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic screw balance with Breguet hairspring
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1892
• Country: Switzerland
• Identification: Movement marked with DÉPOSÉ 424. Registered by Roemer-Ritter on 08.09.1892 in the Swiss Official Gazette of Commerce as model no. 1 under the registration number 424. Model No. 1 is not an official caliber designation, but was used to register the design.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)