6 3/4”’ | Hand Wind | Swiss Lever | No Seconds

• Listing ID: 2636
• Manufacturer / Brand: ETA / Marvin
• Caliber: Marvin 728 = ETA 2412
• Size in French Lignes: 6 3/4'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Right (0 - 120°)
• Shock Protection: Incabloc
• Beats per hour: 21,600
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 40 hours
• Production Period: Unknown, probably around 1965
• Identification: Wheel train bridge marked MARVIN 728. Listed as ETA 2412 in the Flume K3 catalog
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-35#post-4304161
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)