The Reservoir Hydrosphere “The Greg Lecoeur Edition”
The Geneva Watchmaking Grand Prix Foundation (GPHG) announced on September 08, 2021, the pre-selection of outstanding timepieces for the year’s awards. Among these entries, the Reservoir Hydrosphere “The Greg Lecoeur Edition” received recognition, demonstrating the brand’s focus on technical innovation and luxury craftsmanship.
Inspired by Nature
The Greg Lecoeur Edition merges high-performance technology with marine exploration design. This watch honors the work of professional diver Greg Lecoeur, celebrated for underwater photography and ocean conservation initiatives.
Design and Aesthetics
The dial employs deep ocean tones that evoke the colors visible at depth. The case construction meets ISO 6425 standards for professional diving watches, with a unidirectional rotating bezel for decompression calculations. The design appeals to both technical divers and collectors seeking functional tool watches with visual presence.
Technical Excellence
Water resistance reaches 300 meters, enabling use in demanding underwater environments. The watch incorporates a retrograde display mechanism—a complication typically reserved for dress watches—applied here to deliver practical readability in a diving instrument. This combination of mechanical complexity with field utility defines the piece’s technical character.
Recognition in the Watchmaking Industry
The Reservoir Hydrosphere “The Greg Lecoeur Edition” earned its 2021 GPHG nomination by balancing aesthetic refinement with functional diving-watch credentials. The selection reflects a broader industry recognition that contemporary luxury watches can serve genuine technical purposes while maintaining design sophistication.
Conclusion
As contemporary watchmaking continues to blend heritage methods with modern materials, pieces like the Reservoir Hydrosphere demonstrate how tool watches remain relevant to the broader collecting conversation. For more on this timepiece and Reservoir’s full catalogue, explore RESERVOIR collections and discover the brand’s approach to functional luxury horology.
Frequently Asked Questions
What makes the Reservoir Hydrosphere Greg Lecoeur Edition special?
The Reservoir Hydrosphere Greg Lecoeur Edition combines professional diving specifications—300 meters water resistance, ISO 6425 compliance—with a retrograde display mechanism typically found on dress watches. It received a 2021 GPHG nomination and honors the work of diver and photographer Greg Lecoeur.
How water-resistant is the Reservoir Hydrosphere?
The Reservoir Hydrosphere offers 300 meters of water resistance, meeting the requirements for professional diving and extreme underwater applications.
Why was the Reservoir Hydrosphere nominated for the GPHG?
The watch earned its 2021 Geneva Watchmaking Grand Prix nomination by successfully combining functional diving-watch engineering with mechanical complexity and visual refinement, representing a contemporary approach to tool-watch design.


