Citizen – Professional Diver’s 300M – Eco-Drive – 48 mm – Stainless Steel Offered for auction is a powerful and highly recognizable Citizen Professional Diver’s 300M, a true tool watch designed for serious underwater use. Citizen is one of the world’s most important manufacturers of professional dive watches, and the Professional Diver series is known for its extreme durability, reliability, and technical innovation. This model features a massive 48 mm solid stainless steel case, built to professional diving standards, with a unidirectional rotating bezel designed for dive timing. The bezel features large engraved numerals and a luminous marker at 12 o’clock for underwater visibility. The black dial features large luminous markers and hands for excellent legibility, with a date window at 3 o’clock. The dial is signed Citizen Eco-Drive and 300M Professional Diver’s, highlighting its professional specifications. The watch is powered by Citizen’s Eco-Drive movement, a solar-powered movement that eliminates the need for battery changes by converting light into energy. This technology is one of Citizen’s most important innovations and has made the brand a leader in professional quartz dive watches. The watch is fitted with its original rubber strap with Citizen signed buckle, suitable for wrists up to approximately 24 cm, ideal for use over a diving suit. The solid stainless steel case back is engraved with the classic diver’s helmet engraving, along with the technical specifications, confirming its professional diver status and 300 m water resistance. Technical Details: Brand: Citizen Model: Professional Diver’s 300M Movement: Citizen Eco-Drive (solar movement) Functions: Hours, minutes, seconds, date Case Material: Solid stainless steel Case Diameter: 48 mm Bezel: Unidirectional rotating bezel Crystal: Mineral glass (with visible signs) Dial: Black dial with luminous markers and hands Water Resistance: 300 m (professional diver’s watch, not tested) Case Back: Solid stainless steel with diver’s helmet engraving Strap: Original rubber strap with Citizen buckle (fits up to approx. 24 cm wrist) Condition: Grade B – signs of use due to normal wear, marks on case and glass, strap shows signs of wear Accessories: Generic box Story & Heritage: Citizen is one of the pioneers of modern dive watches and professional underwater instruments. The Professional Diver series was developed to meet the needs of professional divers, offering high water resistance, excellent legibility, and extremely robust construction. Citizen became especially famous for its Eco-Drive technology, introduced to eliminate battery replacements and improve reliability in extreme conditions. Many Citizen Professional Diver watches have been used by professional divers around the world thanks to their reliability and durability. The Professional Diver 300M models are known for their oversized cases, strong bezels, and distinctive diver’s helmet engraving on the case back, which has become a symbol of Citizen’s professional dive watches. This Citizen Professional Diver’s 300M is a serious tool watch, built for performance, reliability, and extreme conditions, and remains one of the most respected professional dive watches in its category. Express Delivery Via UPS Express Internal Reference Number - Itm. 710