Smiths 612

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10 1/2”’ | Hand Wind | Pin Lever | Sweeping Seconds | Date |

Remarks:

  • According to Barrie Smiths (Smiths Watches, Pierhead Publications Ltd., 2009), the movement belongs to the so-called Streamline series
  • Date disc is asymmetrical to the center of the movement plate
  • Balance bridge instead of balance cock
  • “Hole” and “cap jewels” of the balance bearings are made of metal, not rubies (see extra picture)
  • Click rivetedThe head of the dial screws directly clamp the dial feet

 

  • Listing ID: 4916
  • Manufacturer / Brand: Smiths
  • Caliber: 612
  • Size in French Lignes: 10 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: Pin Lever
  • Date, Day, Month...: Date
  • Jewels: 0
  • Setting Lever Screw/Pin Position: Left
  • Balance Position: Bottom (120 - 240°)
  • Shock Protection: KIF Trior
  • Beats per hour: 18,000
  • Balance Type: Nickel
  • Power Reserve: Unknown
  • Production Period: Around 1971. The watch containing this movement could be dated to 1971 on the basis of a manufacturer's catalog.
  • Country: United Kingdom
  • Identification: Wheel train bridge marked with CAL 612. Listed in the book by Barrie Smiths: Smiths Watches, Pierhead Publications Ltd., 2009
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-3#post-1364372

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