Omega Style No: 310.32.40.50.06.002 Omega Speedmaster Anniversary Series - 39.7 mm Steel Case - Grey-Blue Dial - Brown Leather Strap

39.7 mm steel case with anti-magnetic protection, bezel ring is presented in black aluminium and includes the legendary tachymeter scale with an emblematic “Dot Over Ninety”, hesalite-like form scratch-resistant sapphire crystal with anti-reflective treatment inside, grey-blue dial, Omega 3861 manual-winding chronometer movement, approximately 50 hours of power reserve, brown leather strap with a stainless steel buckle. Water resistant to 50 metres (167 feet).