Rolex brand

Oyster Perpetual Series

Automatic mechanical movement type

2231 movement model

31 mm diameter

Stainless steel case material

Basic Information Number 177200 Domed outer ring, black dial Brand: Rolex Series: Oyster Perpetual Movement Type: Automatic Mechanical Gender: Ladies’ Movement: Movement Model: 2231 Movement Type: Automatic Mechanical Manufacturer: Rolex Power Reserve: 48 hours Technical Certification: Superlative Chronometer Certification Appearance Case Diameter: 31 mm Case Thickness: Not available Dial Color: Black Dial Shape: Round Strap Color: Silver Clasp Type: Folding Clasp Case Back: Solid Case Back Weight: Not available Water Resistance: 100 meters Hour Marker Type: Bat-shaped Hour Markers/Arabic Numerals/Luminous Clasp Spacing: Not available Lug Spacing: Not available Materials Case Material: Stainless Steel Dial Material: Not available Bezel Material: Not available Crystal Material: Sapphire Crystal Glass Crown Material: Stainless Steel Strap Material: Stainless Steel Clasp Material: Stainless Steel Functions This watch has no other special functions.