Hydrosphere “The Greg Lecoeur Edition”

  • Bronze case
  • Blue dial
  • Blue NATO strap
  • Steel pin buckle
  • Waterproof watch container


RESERVOIR Watch is honored to partner with the diver photographer Greg Lecoeur, and to unveil an eponymous limited edition retracing his photographic art in favor of the preservation of ocean’s flora and fauna.

Limited edition of 50 pieces. Includes an exploration notebook with Greg Lecoeur’s photographies, a half-day dive with Greg Lecoeur in the Port-Cros national park (France) (excl. insurance, transport and accommodation fees), a grant for the replanting of a coral via Coral Gardeners.

Technical Specifications


  • 45mm, bronze Case with satin finish
  • Blue Dial with Sundial Finish, Magnifier on the Jumping-Hour Window
  • White Index
  • Unidirectional, Ceramic Rotating Bezel with Double Scale for Reading the Time at different Diving Depths before and after the Retrograde Minute Hand’s Return
  • Screw-down Crown, Watertight up to 250m, Helium Valve
  • Stainless Steel Screwed Back
  • Anti-reflective Sapphire Crystal


  • Retrograde Minute, Jumping Hour, Power Reserve
  • Self-winding Mechanical Movement, Patented proprietary 124-pieces module on ETA2824 calibre
  • 37-Hour Power Reserve
  • 28,800 alt./h
  • Swiss Made


  • Blue NATO Strap Provided, mounted on Bronze Stirrups
  • Steel Pin Buckle
  • Additional Black Rubber Strap


  • Waterproof Watch Container
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