Postala Model No. 5 19''' Lépine

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

Remarks:

Postala was a brand of Jacot & Monnier from Tramelan in Switzerland. The company was transferred to Gagnebin & Nicolet in 1930.
Swan-neck fine regulator
In the Flume main catalog of 1912 there are 19”’ calibers with the designations 19,10 and 19,12, which apparently use the same parts. No differences are apparent. In addition to the Lépine (open face) version shown here, there are also Savonnette (hunter) versions of these calibers.

Listing ID: 2746
Manufacturer / Brand: Postala / Jacot & Monnier
Caliber: Model No. 5 19''' Lépine
Size: 19'''
Shape: Round
Winding: Manual (Crown)
Hand Setting: Crown
Seconds Hand: Small seconds
Escapement: Lever (Swiss, English, Glashütte)
Date & Day: None
Jewels: 16
Setting Lever Screw/Pin Position: Left
Balance Position: Right (0 - 120°)
Shock Protection: None
Beats per hour: 18,000
Balance Type: Bimetallic screw balance with Breguet hairspring
Power Reserve: Unknown
Production Period: Around 1912
Identification: Listed in the Flume main catalog 1912. Registered in the Swiss Official Gazette of Commerce in 1912 as model No. 5. Model No. 5 was not an official caliber designation, but was used to register the design.
External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-33#post-4180082
Country: Switzerland