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

Remarks:

• The Revue Thommen GT12 is technically identical to the GT14, but has a small second hand and is not skeletonized

• Listing ID: 2606
• Manufacturer / Brand: MSR / Revue Thommen
• Caliber: GT12
• Size in French Lignes: 8 3/4'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Incabloc
• Beats per hour: 19,800
• Balance Type: Gold-plated Nickel
• Power Reserve: Approx. 42 hours
• Production Period: Built from 1961, production resumed in 2002 after an interruption
• Country: Switzerland
• Identification: Original data sheets for GT12 and GT14 from 2005 and 2004 available. Listed as MSR K1 in the 1973 Flume catalog.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-35#post-4319063
• External Link 2: https://watch-movements.eu/blog/en/2018/11/11/revue-thommen-watch-movements-of-the-modern-era/