The Caviar Emerald embodies Jacob & Co.’s drive to stop at nothing in its quest to create masterpieces of incomparable beauty.
The 47mm hand-wound wristwatch represents the fruit of two years of tireless search for emeralds worthy of this ambitious project. Focused on finding emeralds of perfect dimensions and of a thrilling, radiant green, the watchmaker scoured the globe to assemble a collection of gems with perfect color homogeneity so as to accomplish its stunning final goal. The brand then took on the challenge, considered unachievable by conventional wisdom, of showcasing the emeralds with an invisible setting covering the entire timepiece. Achieved through 12 months of meticulous and delicate gem-setting artistry, the setting presents a sea of exquisite emeralds flowing into one another without a glimpse of human intervention, as if they were spreading naturally from the center of the dial before effortlessly enveloping the contours of the 18K white gold case.
The hand-wound caliber, which may be further admired through a sapphire crystal caseback, complements its one-minute flying tourbillon with a titanium balance, anti-shock system and 100-hour power reserve. Composed of 169 parts, the movement drives a two-hand dial display at a frequency of 21,600vph.
The strap’s tang buckle, in 18K white gold, completes the luxurious exhibition with an additional setting of 36 baguette emeralds. Created as a unique piece, the Emerald Caviar combines the apex of the jewelry arts and mechanical watchmaking in wearing its unforgettable beauty on the inside and outside alike.
Exclusive Jacob & Co. manual winding caliber JCBM05, 19 jewels, diameter 30.40mm, 13’’, total
height 9.10mm, 169 components; one minute flying tourbillon; frequency: 21,600 vib/h (3Hz); anti shock; titanium balance with gold timing screw; 100-hour power reserve
Hours and minutes
47mm diameter; polished 18K white gold
One-minute flying tourbillon at 6 o’clock
Case set with baguette emeralds as follows: Case: 232 emeralds 20.45ct. Crown: 17 emeralds 0.75ct
Dial & Hands
Skeleton hands; Dial invisibly set with 140 baguette emeralds 10.29ct.
Strap & Clasp
Alligator strap with 18K white gold tang buckle set with 36 baguette emeralds 0.90ct.
Total Carat Weight
424 Baguette and One Rose Cut Emeralds 32.39ct.
Water resistant to 30 meters; 2-year warranty
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