Brand: Cartier 
Style Number: W51012Q4
Series: Tank Francaise
Style: Ladies
Case: 18k Y.Gold & Stainless Steel
Dial Color: Silver
Watch Bracelet / Strap: 18k Y.Gold & Stainless Steel
Watch Clasp: Hidden Folding Clasp
Movement: Swiss Quartz
Functions: Blue Hour Minute hands.
Crystal: Sapphire - Anti-reflective
Length: 29.5 mm
Case Width: 25.0 mm
Case Thickness: 6.7 mm
Caseback: Solid
Bezel Material: Stainless Steel
Bezel Function: Fixed
Water Resistance: 30m / 100ft (suitable for splashing, light rain; unsuitable for swimming or diving)
Crown: Crown set with sapphire cabochon.
Calendar: Date at 3