This watch is also known as:
Grande , Grande , GrandeNo1 .
De Grisogono Instrumento Grande Watches. 40mm x 47.5mm x 12.5mm polished stainless steel case, sapphire crystal lateral window and back, silver guilloche dial with large date aperture, automatic movement, black leather strap with polished stainless steel folding buckle. Water resistant to 30 meters.