Clean Plus specification means the IWC Big Pilot Annual Calendar IW503502- 1:1 Superclone has been evaluated against the criteria that separate upper-tier superclone production from the standard replica market. Case brushing definition, dial depth, crystal anti-reflective quality, and movement regulation are the areas where Clean Factory builds consistently outperform — and this piece reflects that across all four.
Build Specifications
| Case | Platinum, 46.2MM |
| Bezel | Fixed |
| Dial | Steel Blue |
| Movement | Cal. 52850 |
| Functions | Day-Date |
| Power Reserve | ~48 hours |
| Crystal | Sapphire with AR Coating |
| Caseback | Solid |
| Water Resistance | 50m |
| Bracelet / Strap | Leather Strap |
Movement & Performance
The day and date display on this reference requires correct font weight, wheel alignment, and aperture finishing — details that are immediately visible when the watch is worn. Clean Factory production applies the precision to these displays that separates a well-executed Day-Date superclone from the standard versions where the font appears compressed, the wheel sits off-centre, or the aperture shows uneven borders.
The Clean Factory standard applies most visibly in the bracelet — where link tolerances, clasp resistance, and surface finishing either hold up or fall apart quickly in regular use. On a Clean specification build these details are consistent throughout, not just in factory photography.
