IWC Ingenieur SL Automatic Ref 3506 Grey "Graph Paper Dial" fn-6% - Audemars Piguet Calendar- Reference

- Audemars Piguet Calendar- Reference 25573BA- 34mm yellow gold stepped case- Serial B71xx-xxxxxx dating to 1983- White enamel dial with day and date indicators- No lume yellow gold hands and blued day and date hands- Calibre 2224/2810 automatic movement- Integrated yellow gold bracelet- Includes AP archive extract- Fully checked by our watchmaker- One-year mechanical warranty- Includes a handmade leather watch pouch- Free worldwide Fedex Priority shipping

-33x41mm 18k yellow gold stepped case

Ein toller Chronograph der es schafft die Fusion von Komplikation und den Vibe der Ur-Royal Oak Referenz 5402 perfekt ästhetisch zu verbinden und auch Details in der Produktion zu teilen: In beiden Fällen ist das Zifferblatt von Stern Création hergestellt und das Armband von Gay Frères

which allowed the wearer to measure their altitude and air pressure

with off-white lume

IWC Ingenieur SL Automatic Ref 3506 Grey "Graph Paper Dial" fn-6% - Audemars Piguet Calendar- ReferenceIn the mid 1970s, IWC decided to redesign the Ingenieur to give it a more "fashion forward" look. With this new model, IWC aimed to emulate the success of one of its rivals. A few years earlier, Audemars Piguet had struck gold with the luxury steel sports watch, the "Royal Oak," designed by Grald Genta. In response, IWC brought Genta on board (who also designed the steel Patek Philippe Nautilus) to redesign the Ingenieur, along with two other models: