85515CA1R-9840. 18kt rose gold case, matching rose gold-tone bracelet with fixed bezel set in 68 diamonds. Silver dial featuring rose gold hands and index hour markers. Diamond minute track on the outer rim. Analog display with date at the 6 o'clock position. Movement: Vacheron Constantin Calibre 2450 Q6 Automatic movement, 27 jewels, 196 parts, beating rate of 28800 vph (approximately 4Hz), power reserve up to approx 40 hours. Scratch resistant sapphire crystal. Pull/push crown operation. Exhibition case back. Round case shape measuring 36.5 mm diameter and 9.15 mm thick. Band width: 20.3 mm, adjustable length approximately 8 inches (for wrist size adjustment). Hidden clasp fold-over buckle. Water resistant up to 30 meters / 100 feet.