This scarce c1956 IWC Stainless Steel wristwatch is 

powered by the celebrated 21-jewel Calibre 852 Automatic Movement,

one of IWC's most respected Pellaton winding calibres – 

featuring an ingenious bi-directional winding system

Today, collectors regard the Pellaton winding system 

as one of the finest automatic winding mechanisms ever designed, 

comparable in significance to Rolex's Perpetual rotor or Omega's Co-Axial escapement

Bearing movement no. 1364039, the watch dates to year 1956, 

placing it among the earliest generation of IWC's automatic anti-magnetic wristwatches & 

the first-generation Ingenieur series, 

adding further historical significance and collector appeal.

~

Housed in a robust 36.5 mm screw-back CASE, no. 1397897

the watch retains its original soft iron anti-magnetic inner cover 

(Faraday cage) – 

a sophisticated feature developed to shield the movement from magnetic fields and 

associated with IWC's professional anti-magnetic watches of the period. 

Completed by original crown

The understated silvered original DIAL is signed “International” & 

fitted with applied luminous baton hour markers, 

matching dauphine hands and a sweep centre seconds hand,

displaying an attractive, even patina acquired over decades of careful use. 

The watch secures on a wrist with a new black leather strap, 

completed by generic steel buckle  

~

The timepiece is in beautiful condition with all original parts 

& in excellent working order 

The presence of the complete anti-magnetic assembly, 

together with the renowned Calibre 852,

makes this an increasingly desirable and comparatively uncommon example of IWC's technical innovation 

during the golden era of Swiss watchmaking. 

IWC did not fit soft inner covers to ordinary dress watches. 

The entire purpose of the original Ingenieur, launched in 1955, 

was anti-magnetic protection for engineers, technicians and scientists.

It comes in generic box, 

accompanied by watch report & 6 months warranty