888-730-2221 or 650-347-2221

Longines HydroConquest L3.784.4.56.9


  • $3,725.00
or call: +1 (650) 347-2221
  • Longines Authorized Dealer
  • Topper Guarantee
  • Extended Warranty more info

A first for Longines: the long-running HydroConquest dive watch is now available in a full ceramic case that impressively maintains the 300 meter water resistance of its stainless steel predecessors. 



  • Shape: Round
  • Material: Black ceramic
  • Glass: Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides
  • Dimension: Ø 43.00 mm
  • Lug Distance: 21 mm
  • Thickness: 13.00 mm
  • Water Resistance: Water-resistant to 30 bar
  • Case Specificities: Screw-in crown, Unidirectional rotating bezel

Dial and Hands

  • Dial Colour: Matt black ceramic
  • Hour Markers: Applied Arabic numerals and indexes
  • Hands: Silvered polished hands
  • Specificities: Swiss Super-LumiNova®


  • Movement Type: Automatic
  • Caliber: L888
  • Movement Description: Self-winding mechanical movement beating at 25'200 vibrations per hour, with a power reserve of approximately 72 hours
  • Functions: Hours, minutes, seconds and date


  • Material: Rubber strap
  • Colour: Black
  • Buckle: With double safety folding clasp and push-piece opening mechanism

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