![IWC Watches on Twitter: "#DidYouKnow In 1998 the third member of IWC's new sports watches line was the GST automatic alarm – a mechanical alarm for anyone who appreciates the sound of IWC Watches on Twitter: "#DidYouKnow In 1998 the third member of IWC's new sports watches line was the GST automatic alarm – a mechanical alarm for anyone who appreciates the sound of](https://pbs.twimg.com/media/D3y9TEcXsAAxG6c.jpg:large)
IWC Watches on Twitter: "#DidYouKnow In 1998 the third member of IWC's new sports watches line was the GST automatic alarm – a mechanical alarm for anyone who appreciates the sound of
IWC GST Alarm Automatic Uhr Ref.3537 Kaliber 917 Jaeger LeCoultre in Baden-Württemberg - Fellbach | eBay Kleinanzeigen
IWC GST Alarm Automatic Uhr Ref.3537 Kaliber 917 Jaeger LeCoultre in Baden-Württemberg - Fellbach | eBay Kleinanzeigen
![IWC GST Ref. 3537 - World of Time - New and pre-owned exclusive watches with best conditions. Call us or visit our local shop to get personal consulting. IWC GST Ref. 3537 - World of Time - New and pre-owned exclusive watches with best conditions. Call us or visit our local shop to get personal consulting.](https://worldoftime.azureedge.net/worldoftime/40df06e83b894f5894c2d4b59fa7c61c_9.jpg)
IWC GST Ref. 3537 - World of Time - New and pre-owned exclusive watches with best conditions. Call us or visit our local shop to get personal consulting.
![IWC | GST, A TITANIUM AUTOMATIC CENTER SECONDS WRISTWATCH WITH DATE AND ALARM CIRCA 2005 | Watches Online | Watches | Sotheby's IWC | GST, A TITANIUM AUTOMATIC CENTER SECONDS WRISTWATCH WITH DATE AND ALARM CIRCA 2005 | Watches Online | Watches | Sotheby's](https://sothebys-md.brightspotcdn.com/3a/f7/ac71247349adba20b3df51b43427/370n10036-b8z4g.jpg)