one of the highlights of the Opus 9 is the sapphire crystal case, which is difficult to manufacture. Any info on this?
I like the concept of the linear representation of time. The other watch that did this was the Christophe Claret "Dual Tow". While totally different in the complications present (the "Dual Tow" has a striking mechanism that activates when the choronograph is activated), I find the watch more interesting.
2 different approaches to linear time telling. The focus of the Opus 9 is on the case and HW's forte in jewelery. On the other hand, the Dual Tow is on complications. But the common factor is the execution. The Dual Tow is defintely more interesting (the column wheel can be seen from the dial face and the movement can be viewed from the side of the case) but yes, refinement-wise, can't beat Opus 9.
Bernard, what are your thoughts on these 2?
Lionel