Zenith ''Defy''

Swiss Watch Fair 1969 BF 39 H
Securitytirantod for this sports model0 Inside the ali-steol case, an elastic, suspension, systhm guards the movement against axial and radial shock. Water-resistance guaranteed to 30 atmospheres (a depth of 300 metres or 990 feet). Screwed-in winding crown with double waterproofing system, tempered mineral crystal retained by a locking nut. Even the steel bracelet is equipped with a triplo clasp with. safety lock. (ZENITH “Defy”)