13 3/4”’ | Hand Wind | Pin Lever | Indirect Sweeping Seconds |

Remarks:

• The D 320 is only listed with 13”’ in movement identifiers. This one here is slightly larger
• The “cap jewels” of the balance are metal plates

• Listing ID: 2364
• Manufacturer / Brand: Desa
• Caliber: 320 13 3/4'''
• Size in French Lignes: 13 3/4'''
• Size range mm largest diameter: 31 - 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Pin Lever
• Date, Day, Month...: None
• Jewels: 1
• Setting Lever Screw/Pin Position: Right
• Balance Position: Left (240 - 360°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: Unknown
• Identification: Marked D 320 under the balance. With 13 3/4''' not listed in any movement finder known to me.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-38#post-4868000
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)