ETA 717 = Stowa 800 = GERSI 142

197 views

8 3/4 x 12”’ | Hand Wind | Swiss Lever | Small Seconds

  • Listing ID: 3389
  • Manufacturer / Brand: ETA / Stowa / GERSI
  • Caliber: ETA 717 = Stowa 800 = GERSI 142
  • Size in French Lignes: 8 3/4 x 12'''
  • Size range mm largest diameter: 22 - 31 mm
  • Shape: Form
  • Winding: Manual (Crown)
  • Hands Setting: Crown
  • Seconds Hand: Small seconds
  • Escapement: Lever (Swiss, English, Glashütte)
  • Date, Day, Month...: None
  • Jewels: 15, 16
  • Setting Lever Screw/Pin Position: Left
  • Balance Position: Bottom (120 - 240°)
  • Shock Protection: None
  • Beats per hour: 18,000
  • Balance Type: Monometallic screw balance
  • Power Reserve: Approx. 43 hours
  • Production Period: Unknown, probably around 1936 - 1950
  • Identification: Listed in the Ebauches SA catalog from 1935 as ETA 717. Movement bridge of one movement marked with Stowa 800. Ratchet wheel of one movement marked with GERSI 142.
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-25#post-3602982
  • Country: Switzerland
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

Leave a Reply

Your email address will not be published. Required fields are marked *

Before being published, your comment will be checked by a moderator. Therefore you will not see it immediately!

Scroll to Top