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Durowe / INT 7420/3 = Dugena 2111

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11 1/2”’ | Hand Wind | Swiss Lever | Direct Sweeping Seconds |

Remarks:

  • Dugena also used the Durowe / INT 7420/2 as caliber 2111
  • Movement family (probably not all /3 variants very really built):
    • Hand winding
      • Durowe/INT 7410/3: 10 1/2”’, 17 jewels
      • Durowe/INT 7420/3: 11 1/2”’, 17 jewels
      • Durowe/INT 7422/3: 11 1/2”’, 17 jewels, date w/o quick-setting
      • Durowe/INT 7423/3: 11 1/2”’, 17 jewels, date and day w/o quick-setting
      • Durowe/INT 7425/3: 11 1/2”’, 17 jewels, date with quick-setting
      • Durowe/INT 7426/3: 11 1/2”’, 17 jewels, date and day with quick-setting
      • Durowe/INT 7427/3: 11 1/2”’, 17 jewels, maxi date and day with quick-setting
      • Durowe/INT 7428/3: 11 1/2”’, 17 jewels, watch calendar with quick-setting
    • Automatic
      • Durowe/INT 7520/3: 11 1/2”’, 21 jewels
      • Durowe/INT 7522/3: 11 1/2”’, 21 jewels, date w/o quick-setting
      • Durowe/INT 7523/3: 11 1/2”’, 21 jewels, date and day w/o quick-setting
      • Durowe/INT 7525/3: 11 1/2”’, 25 jewels, date with quick-setting
      • Durowe/INT 7526/3: 11 1/2”’, 25 jewels, date and day with quick-setting
      • Durowe/INT 7527/3: 11 1/2”’, 25 jewels, maxi date and day with quick-setting
      • Durowe/INT 7528/3: 11 1/2”’, 25 jewels, watch calendar with quick-setting
  • Same movements without suffix and with with suffix /1, /2: older generations
  • Same movements with suffix /4: newer generation

 

  • Listing ID: 19458
  • Manufacturer / Brand: Durowe / INT / Dugena
  • Caliber: Durowe / INT 7420/3 = Dugena 2111
  • Size in French Lignes: 11 1/2'''
  • Size range mm largest diameter: 22 - 31 mm
  • Shape: Round
  • Winding: Manual (Crown)
  • Hands Setting: Crown
  • Seconds Hand: Sweeping seconds (central seconds)
  • Escapement: Lever (Swiss, English, Glashütte)
  • Date, Day, Month...: None
  • Jewels: 17
  • Setting Lever Screw/Pin Position: Left
  • Balance Position: Bottom (120 - 240°)
  • Shock Protection: Rufa Anti-Shock
  • Beats per hour: 21,600
  • Balance Type: Nickel?
  • Power Reserve: Approx. 42 hours
  • Production Period: From 1972 onwards (Durowe / INT 7420)
  • Country: Germany
  • Identification: Movement marked with INT 7420/3 under the balance wheel, and with Dugena 2111 on the ratchet wheel. As 7420 listed in the Flume K3 catalog from 1972.
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
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