Hi,
I added a Spitfire Chronograph (IW387804) to my Aquatimer 2000 (IW356809). Somehow at last year's SIHH I missed its release. I mistakenly thought all of the Pilots with 89xxx calibres were 46 mm, like the large Portuguese and Ingenieur references. I am delighted that IWC released this reference at a smaller size (43 mm) with an ardoise dial,that utilized a 89365 calibre with a bracelet with a micro-adjustment.
Here are my two IWCs:
Spitfire Chronograph IW387804
Aquatimer 2000 IW356809
Kudos IWC,
Bob