Stainless steel, manual-wind Omega Speedmaster Professional “Moonwatch” 42mm chronograph, model 3570.50.00 with black dial and classic steel bracelet. This 77xxxxxx-case number watch dates from around 2005. It comes with Omega boxes, instruction booklets, undated UK warranty card, numbered swing-tag and a copy of the original specification sheet. Ask to speak about this popular classic with one of the specialists in the Miltons watch team. Please note that this is a manual-wind watch and that with its push-buttons should not be considered water-proof. Time keeping may not be as consistent as with an automatic model and will vary depending on winding and use of the chronograph function, among other factors.