Tutima Uhrenfabrik GmbH Ndl. Glashütte is a German watchmaker established in 1927 in Glashütte, Saxony. Their products include analog chronographs of high precision, including pilot's watches (Fliegerchronograph), which are standard military equipment of NATO and Luftwaffe pilots. Tutima has five product lines made in Glashütte: Patria, M2, Saxon One, Grand Flieger, and Sky.