ZENITH G.F.J. Tantalum Calibre 135 Automatic 39.15mm Watch
98.1865.0135/21.C205 Pricing available upon request.
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Key Features:
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Case Material Tantalum
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Case Size 39.15mm
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Dial Colour Signature brick-pattern guilloché outer ring with onyx centre and mother-of-pearl small-seconds counter.
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Power Reserve Approx. 72 Hours
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Frequency 18,000 VpH (5 Hz)
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Water Resistance 5 atm
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Bracelet Delivered with a blue nubuck alligator leather strap; additional black alligator leather strap and grey calfskin strap included; titanium pin buckle..
Product Details
At Watches and Wonders 2026, ZENITH unveils the most exclusive interpretation of the G.F.J. to date: a limited edition of just 20 pieces crafted in tantalum and set with baguette-cut diamond indexes. Named after Georges Favre-Jacot, the G.F.J. was conceived as the contemporary home of the Calibre 135, the most awarded observatory chronometer movement in watchmaking history. Beyond its commemorative dimension, the collection serves as a platform for exploring the full spectrum of technical refinement, extending chronometric precision into the realm of rare, high-end and inherently exacting materials. In this new execution, the disciplined architecture of the Calibre 135 is housed within tantalum, a metal whose density and resistance demand absolute control in fabrication, turning material constraint into a defining element of the watch’s character.
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