Buren 547

Data: Buren cal: 547

• 21 jewels, automatic wind, sweep second.
  
• Size: 11.5'''  25.60 mm.
• H: = 5.35 mm.
• N: = 18.000 A/h.
  
• Power reserve: 36 h.
• Mainspring: 1.40 - 7.5 x 0.07 x 280

Versions: 9.25'''

• 535: sub second.
  
• 536: sweep second.
• 537: sweep second.
• 538: power reserve, sub second.
• 539: power reserve, sweep second.
• 540: power reserve, sweep second.

Versions: 11.5'''

• 541: sub second.
• 542: sweep second.
• 543: sweep second.
• 544: power reserve, sub second.
• 545: power reserve, sweep second.
• 546: power reserve, sweep second.
• 547: sweep second.
• 549: sweep second.