{"product_id":"arnold-son-chronometry-constant-force-tourbillon-1fcbj-e01a-c246j","title":"Arnold \u0026 Son Chronometry Constant Force Tourbillon - 1FCBJ.E01A.C246J","description":"\u003cp\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eCreated to mark the conclusion of Arnold \u0026amp; Son’s 260th anniversary celebrations, the Constant Force Tourbillon 11 is a rare tribute to both innovation and heritage. Limited to just 11 pieces, this extraordinary timepiece honors the legacy of John Arnold and his historic connection with Abraham-Louis Breguet—two visionaries whose work shaped the future of precision watchmaking.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe 41.5 millimeter case, crafted from glowing 18-carat yellow gold, houses a hand-wound movement entirely developed in-house at the brand’s La Chaux-de-Fonds manufacture. At its heart lies a constant force mechanism, beautifully showcased on a pristine white Grand Feu enamel dial. Flip it over, and the tourbillon reveals itself through the case back—an exquisite balance of mechanical mastery and refined design.\u003c\/p\u003e\n\u003cp\u003eWith twin barrels delivering an impressive 100-hour power reserve, this timepiece is as powerful as it is elegant. Finished with a deep midnight blue alligator leather strap, lined in black alligator for added richness, the Constant Force Tourbillon 11 is a true collector’s piece—rare, radiant, and quietly revolutionary.\u003c\/p\u003e","brand":"Arnold \u0026 Son","offers":[{"title":"Default Title","offer_id":47533372637434,"sku":"1FCBJ.E01A.C246J","price":171800.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9554\/9621\/files\/3_2f25e0c2-73fa-4ae4-be6e-0bc39d5b2d53.png?v=1755289513","url":"https:\/\/www.moyerfinejewelers.com\/products\/arnold-son-chronometry-constant-force-tourbillon-1fcbj-e01a-c246j","provider":"Moyer Fine Jewelers","version":"1.0","type":"link"}