Authentic Swatch X Blancpain Fifty Fathoms ARCTIC OCEAN This Blancpain X Swatch watch honors Blancpain's Fifty Fathoms, Its case and crown are made of Bioceramic material. layers of color for a gradient effect. The words “NO RADIATIONS” below the logo, are a nod to the legendary Fifty Fathoms heritage and rich history of diver's watches in the sixties. The hour indexes, hour, and minute hands, as well as the scale on the bezel, are enriched with Grade A Super-LumiNova® for outstanding legibility in the dark . The one-direction rotating beige-colored Bioceramic bezel, and biosourced glass are treated with an anti-scratch coating.