Hydrosphere Blackfin

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Technical Specifications

  • 45mm, 316L Stainless Steel Case with satin finish
  • Black dial 
  • Self-winding mechanical movement, 37 hours power reserve
  • Complications: Retrograde minutes, jumping Hour, Power Reserve 
  • Patented proprietary 124-pieces module on ETA 2824-2 caliber 
  • Anti-reflective sapphire crystal
  • Unidirectional, ceramic rotating bezel with double scale for reading the time at different diving depths before and after the retrograde minute hand’s return
  • Helium Valve
  • Screwed back, screw-down crown, watertight up to 250m
  • 316L stainless steel strap screwed onto the body, brushed finishing with a bladed folding clasp and an extension system
  • Additional rubber strap included

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