Compare Studio
15400ST vs 15500ST
Differences are highlighted. Rows where both references share a value are dimmed.
| Specification | ||
|---|---|---|
| Production | 2012–2019 | 2019–present |
| Era | 41mm, caliber 3120 | 41mm, caliber 4302 |
| Status | discontinued | current |
| Case diameter | 41mm | 41mm |
| Case material | Stainless steel | Stainless steel |
| Bezel | Octagonal with 8 hexagonal screws | Octagonal with 8 hexagonal screws |
| Crystal | Sapphire | Sapphire |
| Caseback type | Display (sapphire) | Display (sapphire) |
| Water resistance | 50m | 50m |
| Dial | Various 'Grande Tapisserie' | Various 'Grande Tapisserie' |
| Movement | Automatic | Automatic |
| Caliber | 3120 | 4302 |
| Manufacturer | Audemars Piguet | Audemars Piguet |
| Winding | automatic | automatic |
| Power reserve | — | ~70 hours |
| Complications | Date | Date |