Ball Engineer M Challenger 43mm

Title Default Title
Qty:
LIMITED EDITION
  • 1000
MOVEMENT
  • Automatic BALL Manufacture caliber 7309
  • Chronometer certified COSC
  • 80 hours Power Reserve, 28,800vph
SIZE (CASE)
  • Ø 43mm, height 13.4mm
WATER RESISTANCE
  • 100m/330ft
ANTI-MAGNETISM
  • 4,800A/m
MICRO GAS TUBES
  • 31 micro gas tubes on hour, minute and second hands and dial for night reading capability
FUNCTIONS
  • Hours, minutes, sweep seconds and date
CASE MATERIAL
  • Stainless steel
  • Sapphire crystal transparent case back
CROWN
  • Screwed-in crown
CRYSTAL
  • Anti-reflective sapphire crystal
PATENT
  • Amortiser® patented anti-shock system
DIAL COLOR
  • Blue
BRACELET
  • Stainless steel bracelet with folding buckle
LUG WIDTH
  • 21mm
LUG TO LUG
  • 50mm