18”’ | Hand Wind | Cylinder | Small Seconds |

Remarks:

• Movement family:
  • Venus 70: hands setting with crown and setting lever
  • Venus 70a: hands setting with crown and  pusher
• In the Ebauches SA catalog from 1928, both variants have the caliber designation 70

• Listing ID: 21296
• Manufacturer / Brand: Venus / Alpina
• Caliber: Venus 70a = Alpina 161
• Size in French Lignes: 18'''
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown with pin/pusher
• Seconds Hand: Small seconds
• Escapement: Cylinder
• Date, Day, Month...: None
• Jewels: 10
• Setting Lever Screw/Pin Position: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Brass
• Power Reserve: Approx. 36 hours
• Production Period: Unknown, probably around 1928
• Country: Switzerland
• Identification: Movement marked with Alpina logo 161. Listed as Venus 70a in the Flume K1 catalog in the part from 1947. Listed as Venus 70 in the Ebauches SA catalog from 1928.
• Contributor ©: Anonymous