New authentic Omega Speedmaster men's watch model 326.30.40.50.02.001 (also known as 32630405002001). Features a brushed and polished steel case with matching brushed and polished steel bracelet, an aluminum-filled bezel equipped with a tachymeter scale, and a sophisticated silver chronograph dial employing the 'Clous de Paris' design including sub-dials for measuring elapsed time. Equipped with an automatic self-winding Omega 3330 movement (approx 50hr power reserve), this Co-Axial Chronometer utilizes an SI 14 certified balance wheel ensuring precise timekeeping. Protected by sapphire crystal offering scratch resistance, the solid case back houses the COSC-certified chronometer accuracy for all functions. Water resistant to 100 meters / 330 feet.