The Chopard L’Heure du Diamant Round reference 10A378-1601 offers the collection’s signature diamond-set elegance in a refined 30 mm format. The 18-carat white gold case carries 22 prong-set brilliant-cut diamonds across the bezel and lugs, totalling approximately 4.10 carats. A natural mother-of-pearl dial with 12 diamond hour markers and a single briolette diamond crown complete the jewel-like composition, all presented on an integrated white gold bracelet in a distinctive bricked design.
Design & Craftsmanship
The smaller 30 mm case makes reference 10A378-1601 a natural choice for a refined, everyday timepiece. The bricked bracelet links echo the architectural structure of the case, and the transparent caseback reveals the movement within.
Movement
Chopard Calibre 09.01-C — an in-house automatic movement beating at 25,200 vph (3.5 Hz) with 27 jewels and approximately 42 hours of power reserve. Water resistant to 30 metres.
Specifications
| Brand | Chopard |
| Model | L’Heure du Diamant |
| Reference | 10A378-1601 |
| Material | 18K White Gold |
| Diameter | 30 mm |
| Glass | Sapphire |
| Shape | Round |
| Bezel | Diamond-Set White Gold, 22 Diamonds ~4.10 ct |
| Calibre | 09.01-C |
| Condition | Unworn |
| Dial Color | Mother of Pearl |
| Movement | Automatic |
| Bracelet | 18K White Gold Bracelet |
| Gender | Ladies |
| Water Resistance | 30 Metres / 3 ATM |
| Manufactured | Switzerland |
| Warranty | International Chopard Warranty |
| Box/Papers | Original Box and Papers |






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