IWC Aquatimer Chronograph Model IW3719-28 in Stainless Steel on Braclet with Box and Papers Circa 1994This Watch IWC released their first Aquatimer in 1967, almost 100 years after they were founded, and it was an instant hit as a dive watch. IWC have since had an illustrious career making dive watches, among others. Originally built with a Valjoux 7750 caliber, this was gradually upgraded to the in house 75320, then 79320 IWC caliber. This is probably my favourite chronograph from the 1990s. Not only is it in excellent condition and the full set, but