Switzerland| Brand | Louis Erard |
|---|---|
| Collection | Heritage |
| Model | 78102 AA01.BDC21 |
| Gender/Type | Men |
| Watch Style | Classic, Luxury |
| Movement | Automatic self-wind |
| Caliber mechanism | ETA 7750 Valjoux |
| Impermeability | 50 M (165 Foot) |
| Width | 42 |
| Case | Stainless steel |
| Case Colour | Steel |
| Glass | Anti-reflective sapphire |
| Clock Face | Roman numerals |
| Dial Colour | Silvery |
| Strap/Bracelet Material | Stainless steel |
| Strap/Bracelet Colour | Steel |
| Functions | Chronograph, Date, Week day |
| Features | Luminiscent hands, Main date, Tachymeter, Transparent case back |