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(Created page with "Baumgartner Frères SA (abbreviated BFG for "Baumgartner Frères Grenchen") was the leading producer of Roskopf watch movements in the 20th century. It was founded in 1899 and was located in Grenchen. By the 1960s the Baumgartner factory in Grenchen was producing millions of ebauches per year, having grown sevenfold since World War II. The firm's products ranged from 6.75 lignes to 13.5 lines as well as a 19 ligne stopwatch movement. * Cal. 158 - 12.5-13.5 -...")
 
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[[File:Baumgartner Freres logo.png|right|200px]]
Baumgartner Frères SA (abbreviated BFG for "Baumgartner Frères Grenchen") was the leading producer of [[Roskopf]] watch movements in the 20th century. It was founded in [[1899]] and was located in [[Grenchen]].
Baumgartner Frères SA (abbreviated BFG for "Baumgartner Frères Grenchen") was the leading producer of [[Roskopf]] watch movements in the 20th century. It was founded in [[1899]] and was located in [[Grenchen]].


By the 1960s the Baumgartner factory in Grenchen was producing millions of ebauches per year, having grown sevenfold since World War II. The firm's products ranged from 6.75 lignes to 13.5 lines as well as a 19 ligne stopwatch movement.
By the 1960s the Baumgartner factory in Grenchen was producing millions of ebauches per year, having grown sevenfold since World War II. The firm's products ranged from 6.75 lignes to 13.5 lines as well as a 19 ligne stopwatch movement.
* Cal. 158 - 12.5-13.5 - Calendar
* Cal. 158 - 12.5-13.5 - Day and date with quickset
* Cal. 1582 - 13.5 - Automatic with Day-and-Date
* Cal. 1582 - 13.5 - Automatic; Day and date with quickset
It was our next step on a technical development of these movements. Both calibers have been fitted with a Day-and-Date device, the same quick setting device as it fits the famous BFG 866 caliber. In particular the BFG 1582 AUTOMATIC - Day-and-Date execution has been well received by all customers and stands without competitor in the field of movements with pinlever escapements.
* Cal. 896 - 10.5 or 11.5 - Direct sweep second, height of movement 4.30 mm with or without calendar and with or without Day-and-Date mechanism, also fitted with rapid corrector
Available in the following executions:
* Cal. 910 - 8.75 - With or without small second, pin-lever escapement, 1-17 jewels
Day-and-Date - 1, 17, 21 or 25 jewels in calibers 158 and 1582, as well as caliber 866 all with a patented rapid corrector device. This is the most rapid-acting corrector device on the market.
* Cal. 1582 - 13.5 - Automatic-winding, direct sweep second, pin-lever escapement, over 36 hours' power reserve, 1-25 jewels, shock-protected.
Cal 896/10½ lignes or (Available shortly)
* Cal. 34 - 10.5 - With or without small second, pin-lever escapement, 1-17 jewels.
1. Cal. 910/8¾ lignes
* Cal. 927 - 6.75 - 8 - Without second, full plate, pin-lever escapement, 1-17 jewels.
2. Cal. 1582/13½ lignes
* Cal. 930 - 6.75 - Without second, full plate, pin-lever escapement, 17 jewels "world's smallest watch movement with full bridges"
3. Cal. 34/10½ lignes
* Cal. 410/411 (successor of caliber 611/795) - Stop-watch, 1-11 jewels, also available with lever or pin-lever escapement
4. Cal. 927/6¾ - 8 lignes
* Cal. 866 - 12 or 13.5 - Sweep second, pin-lever escapement, with or without calendar, 1-17 jewels.
5. Cal. 930/6¾ lignes
* Cal. 58-158 - 13.5 or 12.5 - direct sweep second, pin-lever escapement with or without inlaid calendar ring, 1-21 jewels, total height of movement with calendar 4.30 mm.
6. Cal. 410/411
* Cal. 410 - 44.70 mm - anchor escapement
(successor of caliber 611/795)
* Cal. 925 - 6.75 x 8 ligne - Roskopf without seconds
7. Cal. 866/12 and 13½ lignes
 
8. Cal. 58-158/13½ lignes or
 
11½ lignes, direct sweep second, height of movernent
4.30 mm with or without calendar and with or without Day-and-Date mechanism, also fitted with the rapid corrector device referred to above.
With or without small second, pin-lever escapement,
1-17 jewels.
Automatic-winding, direct sweep second, pin-lever escapement, over 36 hours' power reserve, 1-25 jewels, shock-protected.
With or without small second, pin-lever escapement,
1-17 jewels.
Without second, full plate, pin-lever escapement,
1-17 jewels.
Without second, full plate, pin-lever escapement,
17 jewels.
Stop-watch, 1-11 jewels, also available with lever or pin-lever escapement.
Sweep second, pin-lever escapement, with or without calendar, 1-17 jewels.
12½ lignes, direct sweep second, pin-lever escapement with or without inlaid calendar ring, 1-21 jewels, total height of movement with calendar 4.30 mm.
[[Category:Roskopf]]
[[Category:Roskopf]]
[[Category:Ebauche factories]]
[[Category:Ebauche factories]]

Latest revision as of 15:17, 20 April 2024

Baumgartner Frères SA (abbreviated BFG for "Baumgartner Frères Grenchen") was the leading producer of Roskopf watch movements in the 20th century. It was founded in 1899 and was located in Grenchen.

By the 1960s the Baumgartner factory in Grenchen was producing millions of ebauches per year, having grown sevenfold since World War II. The firm's products ranged from 6.75 lignes to 13.5 lines as well as a 19 ligne stopwatch movement.

  • Cal. 158 - 12.5-13.5 - Day and date with quickset
  • Cal. 1582 - 13.5 - Automatic; Day and date with quickset
  • Cal. 896 - 10.5 or 11.5 - Direct sweep second, height of movement 4.30 mm with or without calendar and with or without Day-and-Date mechanism, also fitted with rapid corrector
  • Cal. 910 - 8.75 - With or without small second, pin-lever escapement, 1-17 jewels
  • Cal. 1582 - 13.5 - Automatic-winding, direct sweep second, pin-lever escapement, over 36 hours' power reserve, 1-25 jewels, shock-protected.
  • Cal. 34 - 10.5 - With or without small second, pin-lever escapement, 1-17 jewels.
  • Cal. 927 - 6.75 - 8 - Without second, full plate, pin-lever escapement, 1-17 jewels.
  • Cal. 930 - 6.75 - Without second, full plate, pin-lever escapement, 17 jewels "world's smallest watch movement with full bridges"
  • Cal. 410/411 (successor of caliber 611/795) - Stop-watch, 1-11 jewels, also available with lever or pin-lever escapement
  • Cal. 866 - 12 or 13.5 - Sweep second, pin-lever escapement, with or without calendar, 1-17 jewels.
  • Cal. 58-158 - 13.5 or 12.5 - direct sweep second, pin-lever escapement with or without inlaid calendar ring, 1-21 jewels, total height of movement with calendar 4.30 mm.
  • Cal. 410 - 44.70 mm - anchor escapement
  • Cal. 925 - 6.75 x 8 ligne - Roskopf without seconds
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