Marathon 46mm Arctic Edition Jumbo Day Date Automatic (JDD) Stainless Steel WatchThe 46mm Arctic JDD is a rugged dive watch designed for professional Search & Rescue use, specifically in bright and hazardous environments. Featuring an Arctic White dial for increased legibility in daylight operations and submersible up to 30ATM, the 46mm Arctic JDD is hand-crafted to provide ultimate endurance above or below sea-level.The outer shell of the Jumbo Day/Date (JDD) consists of a 316L stainless steel case with a brushed finish (measuring 46mm in diameter and 18mm thick), a screw-in crown, and a sapphire crystal. The unidirectional bezel with 60-minute scale and two scale quantities (1-12 and 13-24) ensures precise timing for professional or recreational diving. The JDD also features tritium gas tubes on all hour markers and the full hand set for constant illumination in low light conditions, with a double tritium marker at the 12 o'clock position and a MaraGloâ„¢ bezel pip for easy orientation. The watch is rated for a submersibility of 30ATM, allowing the JDD to function at depths of up to 300M (1000FT) underwater.  Movement: Sellita SW220 with Incablocâ„¢ Shock AbsorberNo of Jewels: 26Scale Quantity: 2Scale Range: 1-12 (13-24)Calendar Type: Bilingual Day & DateLuminous Features: Tritium Gas Tubes and MaraGloâ„¢Crystal Material: SapphireCrown Type: Screw-inCase Material: 316L Stainless SteelCase Finish: BrushedBezel Type: Uni-DirectionalBezel Scale: 60 MinuteSubmersibility: 30 ATMCase Diameter: 46mmCase Thickness: 18mmLug Width: 22mm Discover the world of Acotis Diamonds, where exceptional craftsmanship and timeless elegance come together to create jewellery designed to be treasured for a lifetime. Every piece in our collection is thoughtfully curated and masterfully finished, reflecting our commitment to quality, artistry, and enduring style. From radiant diamonds to lustrous precious metals and contemporary designer creations, Acotis Diamonds offers jewellery that celebrates individuality, sophistication, and the beauty of fine detail. Our range is crafted using only the finest materials, ensuring every item meets the highest standards of brilliance and durability. Whether it’s the sparkle of meticulously cut diamonds, the rich sheen of gold and sterling silver, or the vibrant hues of carefully selected gemstones, each piece is chosen to deliver exceptional clarity and lasting allure. We partner with leading jewellery designers and trusted global brands to bring you collections that blend modern aesthetics with classic inspirations, offering something to suit every personality and occasion.At Acotis Diamonds, we believe jewellery should be as meaningful as it is beautiful. That’s why we focus on craftsmanship that captures life’s most precious moments—whether it’s a gift to mark a milestone, a token of affection, or a personal investment in everyday luxury. Our designers pay close attention to every curve, facet, and setting, ensuring unmatched comfort, balance, and visual appeal. Each piece undergoes rigorous quality checks, so you can feel confident that your jewellery is made to endure, shine, and be cherished for years to come. From elegant bracelets and necklaces to statement earrings, refined rings, and collectible charms, our diverse range allows you to express your style with effortless sophistication. Whether you prefer understated minimalism, bold contemporary design, or timeless traditional beauty, Acotis Diamonds provides jewellery that enhances every moment with subtle glamour and refined detail. Experience the artistry of fine jewellery with Acotis Diamonds—where superior craftsmanship, exceptional quality, and thoughtful design come together to create pieces that truly shine.