18”’ | Hand Wind | Swiss Lever | Stopwatch |

Remarks:

• Stopwatch with column wheel, 60s, 30 min counter
• Different caliber designations (1 vs. B No. 3364 vs. 3364) in different movement identifiers
• Stopwatch cadrature on dial side
• Caliber 11 = caliber 1 + rattrapante
• Extra container with spare parts next to the balance, labeled “Spare parts in here”. Patent CH100230 refers to this spare parts container

• Listing ID: 2664
• Manufacturer / Brand: Excelsior Park
• Caliber: 1 / B No. 3364 / 3364
• Size: 18'''
• Shape: Round
• Winding: Manual (Crown)
• Hand Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date & Day: None
• Other Functions: Stopwatch
• Jewels: 7
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1939. However, the Swiss patent CH100230 dates back to 1923
• Identification: Listed in the Classification Horlogère of 1939 as caliber B No. 3664, in the "Official Catalogue of genuine Swiss Watch repair parts" from 1949 as caliber 1.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-34#post-4284389
• External Link 2: https://watch-movements.eu/blog/en/2018/10/11/excelsior-park-spare-parts-inside/
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)