![IWC Vintage Ingenieur 3805 Chronoalarm A Stainless Steel Quartz Bracelet Watch With Chronograph And Alarm, Circa 1990 Available For Immediate Sale At Sotheby's IWC Vintage Ingenieur 3805 Chronoalarm A Stainless Steel Quartz Bracelet Watch With Chronograph And Alarm, Circa 1990 Available For Immediate Sale At Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/2967895/2147483647/strip/true/crop/1200x1200+0+0/resize/800x800!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2F2b%2Fde%2Ffb828fa04681a8065eabe61640dc%2Fbsxww-35-2.jpg)
IWC Vintage Ingenieur 3805 Chronoalarm A Stainless Steel Quartz Bracelet Watch With Chronograph And Alarm, Circa 1990 Available For Immediate Sale At Sotheby's
![IWC IW3805-03 : Ingenieur Mecaquartz Chronograph Alarm Stainless Steel / White / Bracelet » WatchBase IWC IW3805-03 : Ingenieur Mecaquartz Chronograph Alarm Stainless Steel / White / Bracelet » WatchBase](https://cdn.watchbase.com/watch/lg/iwc/ingenieur/iw3805-03-eb.jpg)
IWC IW3805-03 : Ingenieur Mecaquartz Chronograph Alarm Stainless Steel / White / Bracelet » WatchBase
![IWC IW3805-01 : Ingenieur Mecaquartz Chronograph Alarm Stainless Steel / Black / Bracelet » WatchBase IWC IW3805-01 : Ingenieur Mecaquartz Chronograph Alarm Stainless Steel / Black / Bracelet » WatchBase](https://cdn.watchbase.com/watch/lg/iwc/ingenieur/iw3805-01-83.jpg)
IWC IW3805-01 : Ingenieur Mecaquartz Chronograph Alarm Stainless Steel / Black / Bracelet » WatchBase
![IWC Ingenieur Chrono Alarm mechanic/quartz IW3815 serviced for $5,100 for sale from a Private Seller on Chrono24 IWC Ingenieur Chrono Alarm mechanic/quartz IW3815 serviced for $5,100 for sale from a Private Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/30310664-j1xrhif3zssexg1koogcj05g-ExtraLarge.jpg)