Introduction
–  Special recommendations  .............................  4
–  Environmental protection ..............................  5
–  Leather straps .....................................  6
–  Anti-reflective treatment  ..............................  6
–  Screw-down crown  ..................................  6
–  OMEGA International Warranty .........................  7
Operating instructions
–  Quartz watch 
 
  Calibres:  1376, 1456, 1532, 4061, 4561, 4564  ................  15 
    1424, 1538  ................................  16
–  Manual & Self-winding watch
 
  Calibres:  8400, 8401, 8500, 8501, 8507, 8508, 8511, 8601, 8611, 
    8900, 8901, 8902, 8903, 8912, 8913, 8922, 8923  ........  17 
    8602, 8612  ................................  18 
    1120, 2300, 2500, 2507, 2520, 2610, 2627, 8520, 8521,
 
    8700, 8701, 8704, 8705, 8800, 8801 ................  19 
    2200, 2201, 2202, 2211, 2403, 8421, 8806, 8807 ...........  21
–  Manual-winding chronograph
 
  Calibres:  1861, 1863, 1866, 3201, 3203  ....................  22
–  Self-winding chronograph with or without date
 
  Calibres:  3202, 3220, 3330 ............................  24
–  Self-winding chronograph with date
 
  Calibres:  1151, 1152, 1164, 3113, 3304, 3313, 3606, 3888, 3890  ....  25 
    9300, 9301, 9900, 9901  ........................  27
–  Automatic chronograph with moon phase
 
  Calibres:  9904, 9905  ................................  28
–  Self-winding split-seconds chronograph
 
  Calibre:  3612  ....................................  29
–  GMT, Worldtimer, GMT Chronograph
 
  Calibres:  2628, 3603, 8605, 8615, 8906, 8938, 8939, 9605, 9615  ....  31
Specific sections/general information
–  Chronometer/Master Chronometer ........................  35
–  15,000 gauss  .....................................  35
–  Thermocompensated quartz ............................  36
–  Helium escape valve .................................  37
–  Measurement scales .................................  39
–  Foldover clasps  ....................................  41
–  Fine length adjustment clasps and diving clasp  ...............  43
–  Ploprof bezel and crown  ..............................  44
–  Bullhead crown  ....................................  45
– Pictograms .......................................  46
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