{"id":37915,"date":"2026-02-10T10:10:41","date_gmt":"2026-02-10T09:10:41","guid":{"rendered":"https:\/\/swiss-watch-passport.ch\/?p=37915"},"modified":"2026-02-11T01:45:20","modified_gmt":"2026-02-11T00:45:20","slug":"edouard-koehn-us-limited-edition-legacy-moonphase-chronograph-swiss-watchmaking","status":"publish","type":"post","link":"https:\/\/swiss-watch-passport.ch\/en\/edouard-koehn-us-limited-edition-legacy-moonphase-chronograph-swiss-watchmaking\/","title":{"rendered":"Edouard Koehn US Limited Edition Legacy Moonphase Chronograph"},"content":{"rendered":"

Edouard Koehn<\/a> unveils an exceptionally rare interpretation of its Legacy Moonphase Chronograph, produced in an ultra-limited edition of just ten pieces, created exclusively for the United States.\u00a0<\/strong><\/p>\n

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Distinguished by a captivating gradient purple dial, this exclusive edition exudes refined character. The dial is complemented by an anthracite Louisiana alligator leather strap with a matching purple lining, a discreet detail underscoring the watch\u2019s exclusivity and artisanal craftsmanship<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section>

Headquartered in La Chaux-de-Fonds, the independent Swiss manufacture continues to express its cosmopolitan vision through a timepiece that harmoniously blends heritage, mechanical sophistication, and contemporary elegance.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section>

Drawing inspiration from the brand\u2019s historical creations, Edouard Koehn brings the moon phase complication back to the forefront. Seamlessly integrated within the classic architecture of the Legacy collection, the moon phase and date indications coexist elegantly with the chronograph function.<\/p>\n<\/div><\/div>

At the heart of the Legacy Moonphase Chronograph beats a self-winding mechanical chronograph movement, developed exclusively in collaboration with Manufacture Concepto. Paying tribute to master watchmaker Edouard Koehn (1839\u20131908), the movement features an instantaneous 30-minute counter at 3 o\u2019clock, a blue central chronograph seconds hand, and a refined subdial at 6 o\u2019clock displaying the date by hand with the moon phase at its center. Equipped with a chronometer-grade regulating organ, the caliber delivers exceptional precision and a 60-hour power reserve.<\/p>\n<\/div><\/div>

The moon phase display reflects the lunar cycle of 29.5 days, depicted on a rotating disk mounted on a 59- tooth wheel advancing one step every two days, faithfully representing the lunar phases.<\/p>\n<\/div><\/div>

Housed in a 40mm stainless steel case water-resistant to 50 meters, the Legacy Moonphase Chronograph features applied Breguet numerals, leaf-shaped hands, and a vertical satin-finished gradient purple dial that bridges classical elegance with modern refinement. Each of the ten individually numbered pieces stands as a rare expression of Edouard Koehn\u2019s horological expertise and enduring legacy.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section>

Edouard Koehn (USA)<\/span><\/a><\/div><\/div><\/div><\/div>