| IWC Watch Index | Internet Wristwatch Index | How to regulate mechanical watches |
All Big Ingenieur watches:
|
| plt = platinum, y = yellow, p = pink, w = white, PR = power reserve, thickness = height |
| Case | Dial | Diameter (mm) |
height (mm) |
Bracelet | Calibre | Model Number |
| steel | black | 45.5 | 15 | leather | 51112 | IW500501 |