Pre-owned Omega Speedmaster Chronograph Tachymeter Black Dial Mens Watch 311 30 42 30 01 006

This is a pre-owned Omega Speedmaster Professional Moon Chronograph watch designated by the model number 311.30.42.30.01.006, commonly referred to as featuring an Arabic numeral variation of this number in its data (like 311 30 42 30 01 006). It comes equipped with a stainless steel case and matching stainless steel bracelet. The fixed bezel is also constructed from stainless steel with additional black top ring displaying tachymeter markings. On the black dial, you will find silver-tone luminous hands and index hour markers against a backdrop of minute markers around the outer rim. This analog chronograph includes three sub-dials: one for measuring 60 seconds, another for tracking up to 30 minutes, and a third indicating elapsed time in hours (up to 12). The movement is an Omega Calibre 1863 mechanical hand-winding caliper with approximately 48 hours of power reserve. A scratch-resistant sapphire crystal protects the dial, while a pull/push crown serves as the winding mechanism. The watch has a hidden fold-over clasp for closure and features a skeleton case back design. It boasts an analog dial type and functions including chronograph, hour, minute, second, tachymeter capabilities. Dress watch style is appropriate despite its complex nature. The watch originates from Switzerland (Swiss Made) according to the brand label.