Limited edition of 500 pieces sinn watch 103 a sa b textileleather limited editionthe sinn watches classic pilot chronograph is limited to 500 units and boasts a blue electroplated dial with sunburst decoration and silver electroplated counters the technological features of the watch demonstrate its suitability for everyday use the captive pilots bezel with minute ratcheting features a luminous triangular main marker indices and the stopwatch hour minute and seconds hands are coated with