Case is 42mm in titanium. The model named after the extra robust FiXeD strap bars of its case , has been developed to unique specifications created in collaboration with a specialist unit of the French Navy. Automatic Manufacture Calibre MT5602, waterproof to 200m. Case back engraved with the Marine nationale logo and the inscription ” M.N.21 ” Power reserve is 70hrs Priced at CHF 3,700