Prometheus Jellyfish Tritium Diver – Automatic Watch (300m) (limited edition, only 300 constructed) Offered for sale is a robust and well-built Prometheus Jellyfish Tritium Diver, a highly regarded automatic dive watch known for its excellent legibility and solid construction. This model features a 43 mm 316L stainless steel case with matching stainless steel bracelet, giving it a durable and professional look on the wrist. The watch is equipped with a screw-down crown and is water resistant up to 300 meters (30 ATM), making it suitable for serious diving as well as everyday wear. The watch is powered by a reliable Seiko NE15A automatic movement (based on the 6R15), offering hacking, hand-winding capability and a solid power reserve. A key feature of this model is its use of tritium gas tubes on the dial and hands, ensuring constant illumination in low-light or dark conditions without the need for charging via light. This provides long-lasting visibility, day and night. Additional features include: Sapphire crystal with anti-reflective coating Unidirectional rotating bezel (with tritium marker at 12 o’clock) Clean and highly legible dial design Solid, high-quality construction throughout The Prometheus Jellyfish is known for offering excellent value within the category of automatic dive watches, combining tool-watch functionality with distinctive tritium technology.