The Aquamar collection is Nivada Grenchens modern revival of a lesser-known but charismatic dive watch from the late 1960s. Rooted in the Antarctic family, each Aquamar model blends vintage charm with professional-grade technical features, making it a highly versatile and collectible timepiece. Faithful to its original proportions, the Aquamar features a 38 mm stainless steel case, double-domed sapphire crystal, and a 200-meter water resistance rating, making it perfectly suited for both diving adventures and everyday wear. Its bi-directional ceramic bezel and sandwich-style dial offer depth, legibility, and distinctive character. A signature feature of the collection is the bi-color roulette-style date disc, which brings a whimsical, collector-friendly touch to the otherwise tool-oriented design. But what truly sets the Aquamar apart is its innovative changing lume system: the date disc itself is infused with two different Super-Lumi Nova toneswhite and vintage beige. As the date ch