The Gentissima Oursin Fire Opal is the latest and possibly most emblematic piece in the Gentissima Oursin collection , designed in the Gérald Genta laboratory.
This limited edition combines watchmaking tradition with innovation, reflecting Gérald Genta’s aesthetic and construction heritage. The watch stands out for its yellow gold case decorated with fire opals, precious stones from Mexican volcanoes, carefully set one by one.

The origins of the Oursin collection date back to 1994, when Gérald Genta, while on holiday in Corsica, instinctively designed a model inspired by the shape of sea urchins. Since then, this line has been a milestone in watch design, symbolising Genta’s passion for organic shapes and precious stones. In addition to its intense orange colour, fire opal symbolises creativity, confidence and vitality, values that inspired the design of this model.

The Gentissima Oursin Fire Opal is a tribute to Genta’s intuitive and artistic approach, featuring an orange carnelian dial and faceted crystal that echoes his unmistakable style. The 36 mm diameter, sandblasted 3N yellow gold case highlights 137 fire opals individually set with 3N gold pins.

Inside, this Gentissima houses a Zenith Elite movement, with a custom oscillating weight in 18-karat yellow gold, guaranteeing a power reserve of 50 hours and a frequency of 4Hz. This model will be available with a black alligator leather strap and will be available from May 2025.

Technical characteristics
Box
Material : 3N yellow gold
Decoration : 137 fire opal gemstones
Diameter : 36.5m
Thickness : 9.64mm
Water resistance : 30 meters
Dial/Hands
Dial : orange carnelian
Markers : in 3N yellow gold for the 5-minute markers.
Hands : 3N yellow gold.
Movement
Caliber : GG-005 Zenith Elite
Power reserve : 50 hours
Frequency : 4hz
Diameter : 25.6mm
Thickness : 3.65mm
Components : 126
Belt
Material : Crocodile skin
Color : Black
More information on Gerald Genta's official website.
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