CartierBallon Bleu de CartierREF NUMBER: W6900256CartierBallon Bleu de CartierREF NUMBER: W6900256ModelBallonCase Diameter28.0 mmDial NumeralRomanMovementQuartzPower Reserve-Manufacture Year-Dial MaterialSilverDial Movement CaliberCartier QuartzCase MaterialRose GoldWater Resistance30.0 m