The aquamar collection is nivada grenchen’s 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 tones—white and vintage beige. As the date changes, so does the glow, giving the watch a subtly shifting appearance between a crisp modern look and a warm, aged aesthetic. This clever feature transforms the aquamar into a dynamic visual experience that evolves daily on the wrist. The dials—available in matte blue, black, and grey—are paired with white and faux patina options super lumi nova indices, further echoing the charm of aged tritium found on vintage divers. Powering the watch is the soprod p024 automatic movement, offering reliable swiss precision and a 38 hour power reserve. Completing the package is an engraved caseback featuring the emblematic antarctic penguin—a symbol of the collection’s enduring spirit and roots in exploration.