F1 legends Stirling Moss and Jim Clark wore Sherpa Graphs
861 used in the Speedmaster Reference 145
The plastic crystal features a small notch that allows for water ingress
meaning its hour and minute functions are separated on the dial like those of master timing clocks of the 18th and 19th century
IWC Portugieser Tourbillon vintage F1 legends Stirling Moss andAt nearly 100 years old, The Portugieser line has slowly evolved to get to the wide range of offerings that we have today, with a variety of case materials, complications, and sized, while never deviating too far from its fundamental design language. The Portugieser that we have here, however, is something special. This particular piece, a Reference IW546302, comes in with a 43mm case finished in rose gold with a sapphire crystal, a signed crown, and