ARSA 18 1/2''' Sav. H 4,7 mm = Unitas 362 = Stowa 186

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18 1/2”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

  • The movement is also available in height H 5.3 mm
  • Optionally with swan-neck fine regulator
  • Different bridge shapes known
  • Minor differences between ARSA and Unitas, e.g. different winding stem

 

  • Listing ID: 3566
  • Manufacturer / Brand: ARSA / Unitas / Stowa
  • Caliber: ARSA 18 1/2''' Sav. H 4,7 mm = Unitas 362 = Stowa 186
  • Size in French Lignes: 18 1/2'''
  • Shape: Round
  • Winding: Manual (Crown)
  • Hands Setting: Crown
  • Seconds Hand: Small seconds
  • Escapement: Lever (Swiss, English, Glashütte)
  • Date, Day, Month...: None
  • Jewels: 15
  • Setting Lever Screw/Pin Position: Right
  • Balance Position: Bottom (120 - 240°)
  • Shock Protection: None
  • Beats per hour: 18,000
  • Balance Type: Bimetallic screw balance
  • Power Reserve: Unknown
  • Production Period: Unknown, possibly from around 1930
  • Identification: In the Flume K1 catalog in the 1947 part as A. Reymond (ARSA) 18 1/2''' Sav. H 4.7 mm and listed as Unitas 362. One of the movements marked Stowa 186.
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-23#post-3360732
  • Country: Switzerland
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

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