Omega Speedmaster '57 Co-Axial Chronograph 331.12.42.51.01.001
This model features a black dial with a seconds sub-dial at 9 o’clock and a 12-hour and 60-minute chronograph recorder on the sub-dial at 3 o’clock. There is a central chronograph seconds hand and a date window at the 6 o’clock position. A scratch-resistant sapphire crystal protects this bold dial. The brushed bezel, with its tachymeter scale, is mounted on a 41.50 mm stainless steel case and presented on a brown leather strap.
At the heart of this timepiece is the OMEGA Co-Axial calibre 9300, the first chronograph in the brand’s family of in-house Co-Axial mechanical movements.