agnes b. SAM FCSD990 Solar Ladies' Watch Product Number: FCSD990 Series Name: sam (Sam) Caliber No: V137 Drive System: Solar Accuracy: Average monthly difference ±15 seconds Operating Period: Approximately 4 months when fully charged Functions: Calendar (date) function, overcharge prevention function Case Material: Stainless steel case (pink gold plating) Case Size (Thickness x Width x Length): 8.6mm x 27.0mm x 34.1mm Glass Material: Curved Hardlex Clasp: One-push three-fold clasp Wrist Circumference Length (Maximum): 175mm Band Width: 12mm Water Resistance: Reinforced water resistance for daily life (10 atmospheres) Weight: 52.0g Other Features: Easy adjust method Used about twice. It works without any problems, and all the easy-adjust links are included.