Since 1884 Breitling have been a specialist in technical watches and today are the official supplier to world aviation. Unusually for a large luxury watch manufacturer all of Breitling's watches are equipped with chronometer-certified movements. All mechanical chronograph parts are crafted in Breitling's own workshops and Breitling remains one of the last independent family-run Swiss watchmakers. The favoured timepiece of pilots and dedicated aeronautical enthusiasts alike this Breitling Nativimer 01 Men's Watch laid a major milestone in watchmaking history through its inclusion of the Manufacture Breitling Calibre 01 - a real benchmark of reliability and power. In a more generous 46mm case size this watch's wrist presence is fully realised and its readability accentuated. This timepiece's bidirectional ratcheted rotating bezel also ensures smooth and easy handling of the famous circular aviation slide rule. This model is supplied with leather strap and is water-resistant to a depth of 30 metres.