{"product_id":"nivada-grenchen-f77-mk2-38mm-open-heart-black-tressed-dial-titanium-mens-automatic-watch-68023a77","title":"Nivada Grenchen F77 MK2 38mm Open Heart Black Tressed Dial Titanium Mens Automatic Watch 68023A77","description":"\u003cp\u003eThe Nivada Grenchen F77 MK II Titanium Open Heart 68023A77 is a Swiss-made automatic watch featuring a 38mm Grade 5 titanium case, a black tressed dial and an integrated titanium bracelet. The octagonal bezel is secured by eight screws and complements the case’s combination of vertically brushed and polished surfaces. Its embossed carbon-pattern dial features applied titanium-coloured indexes, luminous hands and an open-heart aperture at six o’clock that reveals the moving balance wheel. Measuring 46.2mm from lug to lug and 11.60mm thick with the exhibition caseback, the watch combines an angular sports-watch profile with visible mechanical detail. Water resistance is rated at 100 metres.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBlack Tressed Dial and Open-Heart Display\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe black dial features an embossed carbon-pattern texture with a sun-brushed finish, creating depth across its patterned surface. Applied titanium-coloured indexes mark the hours, accompanied by white Super-LumiNova dots around the dial perimeter. The matching titanium-coloured hands contain white Super-LumiNova, while white printing and the embossed Nivada Grenchen logo complete the display. At six o’clock, the open-heart aperture exposes the balance wheel as it oscillates during operation. With no date display, the dial retains its focus on the textured surface and mechanical movement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSwiss Automatic Movement and Exhibition Caseback\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePowering the watch is the Swiss Soprod M100BV automatic movement, operating at 28,800 vibrations per hour, or 4Hz. The calibre contains 25 jewels and delivers a 42-hour power reserve. Central hour and minute hands are accompanied by a sweeping seconds hand, while the exposed balance wheel provides a direct view of the movement’s operation through the dial. A see-through flat sapphire caseback reveals the movement from the reverse, including its bridges, gears and automatic winding mechanism.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGrade 5 Titanium Case and Integrated Bracelet\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe 38mm case is made from Grade 5 titanium, combining vertically brushed surfaces with polished details around its angular profile. Eight screws secure the octagonal bezel, while drilled lugs allow the bracelet or an alternative strap to be fitted. A double-domed sapphire crystal with anti-reflective coating protects the dial. The integrated Grade 5 titanium bracelet features a vertically brushed finish, measuring 22mm at the case and tapering to 16mm at the clasp. With its 46.2mm lug-to-lug measurement, 11.60mm thickness with the exhibition caseback and 100-metre water resistance, the F77 MK II pairs lightweight titanium construction with a textured black dial and an exposed automatic movement.\u003c\/p\u003e","brand":"Nivada Grenchen","offers":[{"title":"Default Title","offer_id":55472338829653,"sku":"68023A77","price":1810.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/3720\/2517\/files\/image492293240.jpg?v=1792660442","url":"https:\/\/witchnition.com\/es\/products\/nivada-grenchen-f77-mk2-38mm-open-heart-black-tressed-dial-titanium-mens-automatic-watch-68023a77","provider":"WatchNation","version":"1.0","type":"link"}