Simon 18 1/2'''

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18 1/2”’ | Key Wind | Cylinder | Small Second |

Remarks:

E. Simon & Cie, Porrentruy, Switzerland. Founded 01.01.1883. Manufacturer of watch movements and cases. Dissolved in 1896. In 1889, Emile Simon co-founded the watch company Simon, Burger & Gressot, which later became Perfecta S. A.
Maltese cross stopwork on the barrel

Listing ID: 914
Manufacturer / Brand: Simon
Caliber: 18 1/2'''
Size: 18 1/2'''
Shape: Round
Winding: Manual (Key)
Hand Setting: Key
Seconds Hand: Small seconds
Escapement: Cylinder
Date & Day: None
Jewels: 6
Setting Lever Screw/Pin Position: None (Key Winding)
Balance Position: Left (240 - 360°)
Shock Protection: None
Beats per hour: 18,000
Balance Type: Brass
Power Reserve: Unknown
Production Period: Around 1891 (initials with date on the watch case)
Identification: Not listed in any movement finder. Movement marked with the E. Simon logo (Maltese cross stopwork in an oval).
External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-52#post-6985959
Country: Switzerland