Luftwaffe pilot and navigator's Kaldec AK39 'Armbandkompass' wrist compass in excellent condition. Compass is in working order with functional spirit level, complete with two piece wrist strap on compass body, maker marked on back -"Armbandcompass" AK 39, Werk Nr. 10244982 and Luftwaffe register number is FL 23235. Measurements are 61 x 21.4 mm with a vision diameter of 46 mm. A very nice Luftwaffe compass complete with the scarcer two piece wrist strap.