13”’ | Hand Wind | Pin Lever | No Seconds |

Remarks:

• Model is also called “NOBRK” (Non Breakable) or “Miss”

• Listing ID: 4428
• Manufacturer / Brand: Junghans
• Caliber: J53
• Size in French Lignes: 13'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Pin Lever
• Date, Day, Month...: None
• Jewels: 0
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Brass
• Power Reserve: Unknown
• Production Period: 1927/28 - 1930
• Country: Germany
• Identification: Marked with JUNGHANS BROS GERMANY. Listed in the Flume K1 catalog.
• Contributor ©: Uhrforum.de member Marfin
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-11#post-2185671
• External Link 2: https://www.junghans-vintage.de/de/uhren/junghans-armbanduhr-kaliber/kaliberfamilie-junghans-13-junghans-j53/junghans-j53.html