10 1/2”’ | Manual Wind | Swiss Lever | Direct Sweeping Seconds

• Listing ID: 304
• Manufacturer / Brand: FHF
• Caliber: 552
• Size: 10 1/2'''
• Shape: Round
• Winding: Manual (Crown)
• Hand Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date & Day: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Incabloc
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown, presumably around 1960
• Identification: Dial side marked 552. Listed in Flume K2 catalog
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-59#post-8370943
• Country: Switzerland
• Contributor ©: Uhrforum.de member buchenhain