Omega 212.30.41.20.01.005 (Pre-owned - Good) — USD 3,959 on eBay

The Omega Seamaster Diver 300M reference 212.30.41.20.01.005 stands as a quintessential example from a crucial period for Omega's professional diving instruments, carrying forward a design legacy firmly rooted in the Seamaster Professional 300m series. Introduced around 2006 and remaining in production until 2018, this particular iteration continued the iconic aesthetic that gained widespread recognition through its association with the James Bond franchise, securing its enduring appeal in both popular culture and the world of serious horology. Crafted in a robust 41mm stainless steel case, the timepiece is purpose-built for demanding aquatic environments, offering a substantial 300-meter water resistance rating. Its visual identity adheres to the established Diver 300M codes, showcasing a distinctive black dial, typically adorned with the characteristic wave pattern that ensures excellent legibility of the luminous markers and hands. A unidirectional rotating bezel is present for precise dive timing, while the signature helium escape valve positioned at 10 o'clock highlights its design for professional saturation diving applications. At the heart of the Seamaster Diver 300M reference 212.30.41.20.01.005 beats the Omega Caliber 2500, an automatic movement of significant historical importance for the brand. This caliber represents Omega's groundbreaking integration of George Daniels' revolutionary Co-Axial escapement into a series-produced wristwatch, a technological leap designed to deliver superior long-term chronometric stability and reduce the need for frequent servicing compared to conventional lever escapements. For collectors, this reference is highly regarded not only for its durable construction and immediately recognizable design but also as a key benchmark in Omega's journey towards widespread adoption of its pioneering Co-Axial technology.