![IWC Der Doppelchronograph IWC, (International Watch Co.), Schaffhausen, " Der Doppelchronograph", No. 12, case No. 2563262, Ref. 3713. Made in a limited edition in the 1990s. Very fine and rare, heavy, self-winding, IWC Der Doppelchronograph IWC, (International Watch Co.), Schaffhausen, " Der Doppelchronograph", No. 12, case No. 2563262, Ref. 3713. Made in a limited edition in the 1990s. Very fine and rare, heavy, self-winding,](https://antiquorum-swiss-assets.s3.us-west-2.amazonaws.com/images/235/lots/81/81.jpg)
IWC Der Doppelchronograph IWC, (International Watch Co.), Schaffhausen, " Der Doppelchronograph", No. 12, case No. 2563262, Ref. 3713. Made in a limited edition in the 1990s. Very fine and rare, heavy, self-winding,
![IWC | DOPPELCHRONOGRAPH, REF 3711, YELLOW GOLD SPLIT-SECONDS CHRONOGRAPH WRISTWATCH WITH DAY AND DATE CIRCA 1994 | Watches Weekly | Geneva | 2020 | Sotheby's IWC | DOPPELCHRONOGRAPH, REF 3711, YELLOW GOLD SPLIT-SECONDS CHRONOGRAPH WRISTWATCH WITH DAY AND DATE CIRCA 1994 | Watches Weekly | Geneva | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/32/34/dbef95ed479ca738d8308b81b722/g00604-bl7k4-1.jpg)
IWC | DOPPELCHRONOGRAPH, REF 3711, YELLOW GOLD SPLIT-SECONDS CHRONOGRAPH WRISTWATCH WITH DAY AND DATE CIRCA 1994 | Watches Weekly | Geneva | 2020 | Sotheby's
![IWC IW3713-03 : Pilot's Watch Doppelchronograph Stainless Steel / Black / English / Strap » WatchBase IWC IW3713-03 : Pilot's Watch Doppelchronograph Stainless Steel / Black / English / Strap » WatchBase](https://cdn.watchbase.com/watch/iwc/pilot/iw3713-03-85.jpg)