This Omega Speedmaster Ref. 2998-6, an iconic pre-moon chronograph, represents a pivotal chapter in the Speedmaster legacy. Produced in the early 1960s, this reference is powered by the legendary Omega Caliber 321, a highly regarded manual-winding movement known for its robustness and precision. The watch features a 39mm stainless steel case with straight lugs and a distinctive black dial, adorned with alpha hands and a lollipop-style central chronograph seconds hand—hallmarks of the 2998-6 variant. The tachymeter bezel, marked "Base 1000," enhances its historical appeal and functionality. Accompanied by an extract from the Omega archives, this example confirms its authenticity and production history, making it highly desirable among collectors. A true vintage gem, the Speedmaster 2998-6 embodies the spirit of space exploration and timeless design that continues to captivate enthusiasts worldwide.