IWC Ingenieur SL Two Tone Papergraph 1986

IWC Ingenieur SL Two Tone Papergraph 1986The 2nd generation Ingenieur SL has a lot going on. Design uniformity in the integrated bracelet and tonneau case, attractive details like the drilled portholes on 18k yellow gold bezel and gold hands and indices. It only was in production between 1983 and 1985 and there for is not even everyday. The classic IWC signature on the grey papergraph dial adds a sort of studious sophistication to this decidedly luxury but accessible sport watch and the best

a very beautiful silver sunburst pie pan dial and rare slim baton hour markers with Onyx inlay

showing no trace of use (unpolished nos)

With the Vacheron Constantin Les Historiques 31110 and Les Historiques collection

showing traces of use (unpolished)

and dial variations

Here we have a beautifully finished 18k yellow gold Vacheron Constantin dress watch in a octagon case design with rounded corners from the 1970s

original Rolex stainless steel oyster bracelet (A) with slight stretch fits up to 19

5 mm (without crown) / 39 mm (lug-to-lug) / 17 mm (between lugs)

-3sec/d / 320°

the 5035 movements were not sent to the COSC

This particular piece from 1966 is notable for its impeccable and rare gold dial and a strong case with sharp edges

Inside there is beating the reliable Vacheron Constantin Cal