IWC Aquatimer Chronograph IW371923

IWC Aquatimer Chronograph IW371923. 44mm steel case which is water resistant to 300 meters. Automatic Chronograph movement. 44 hour power reserve. Black dial. Applied luminescent index hour markers and Luminescent hands. Chronograph function (black sub-dials): Large central seconds counter hand; 30 minute counter at the 12 o’clock position; 12 hour counter at the 6 o’clock position; Small seconds sub-dial located at the 9 o’clock position. Day & Date windows located at the 3 o’clock position. Sapphire crystal glass. Stainless steel bracelet. Service Box and original Papers dated March 2004. The IWC Aquatimer has a storied history dating back to 1967 when IWC Schaffhausen introduced its inaugural diver’s watch, the Aquatimer Ref. 812. This timepiece, with its sturdy stainless steel case and 200-meter water resistance, catered to the needs of professional divers. Over the decades, the Aquatimer collection evolved, witnessing notable milestones such as the Aquatimer Ocean 2000 in collaboration with Porsche Design in the 1980s, boasting a remarkable 2,000-meter water resistance. The 1990s brought innovations like the SafeDive system and Quick Change strap mechanism. The Aquatimer GST series showcased IWC’s commitment to marine conservation with models like the Galapagos Islands Special Edition. Recent iterations like the Aquatimer Deep Three and Perpetual Calendar Digital Date-Month continue to blend advanced functionalities with robust dive watch construction, ensuring the IWC Aquatimer remains a revered choice for professional divers and watch enthusiasts alike.