6 size (ca. 15 1/2”’) | Hand Wind | Swiss Lever | Small Seconds

• Listing ID: 626
• Manufacturer / Brand: Waltham
• Caliber: Model 1890 Grade J
• Size in French Lignes: 6 size (ca. 15 1/2''')
• Size range mm largest diameter: 31 - 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 7
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic screw balance
• Power Reserve: Unknown
• Production Period: 1891 - 1917 (350.190 pieces)
• Country: U. S. A.
• Identification: Movement marked Waltham. Based on the serial number on this website: https://pocketwatchdatabase.com/search/result/waltham/6693956
• 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-57#post-7978565
• External Link 2: https://pocketwatchdatabase.com/search/result/waltham/6693956