Rockford Grade 190 Winona

28 views

0 Size (13”’) | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

  • Savonnette (hunter) movement
  • Swan-neck fine regulator
  • Screwed-in settings (Chatons)
  • Negative winding
  • Jewels: Sapphires (white) for the balance, rubies (red) for the rest

 

  • Listing ID: 4571
  • Manufacturer / Brand: Rockford
  • Caliber: Grade 190 Winona
  • Size: 0 Size (approx. 13''')
  • Shape: Round
  • Winding: Manual (Crown)
  • Hand Setting: Crown
  • Seconds Hand: Small seconds
  • Escapement: Lever (Swiss, English, Glashütte)
  • Date & Day: None
  • Jewels: 15
  • Setting Lever Screw/Pin Position: None (Negative Winding)
  • Balance Position: Bottom (120 - 240°)
  • Shock Protection: None
  • Beats per hour: 18,000
  • Balance Type: Bimetallic screw balance with Breguet hairspring
  • Power Reserve: Unknown
  • Production Period: Probably around 1910, based on the serial number
  • Identification: Marked with Rockford Watch Co. and Winona. Information based on serial number: https://pocketwatchdatabase.com/search/result/rockford/816511
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-9#post-2071394
  • External Link 2: https://pocketwatchdatabase.com/search/result/rockford/816511
  • Country: U. S. A.
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

Leave a Reply

Your email address will not be published. Required fields are marked *

Before being published, your comment will be checked by a moderator. Therefore you will not see it immediately!

Scroll to Top