The Seiko SUR636P1 Classic is a women's two-tone quartz watch with a mother-of-pearl dial and a sapphire crystal. It is designed for daily wear and has a water resistance of 100 meters. 

Technical specifications:

Movement

• Caliber: 6N22
• Movement Type: Quartz
• Accuracy: ±15 seconds per month
• Battery Life: Approximately 3 years
• Features: Date display 

Case and crystal

• Case Material: Stainless steel
• Case Finish: Two-tone, with gold plating on the bezel and bracelet links
• Case Dimensions:
  • Diameter: 29.8 mm
  • Thickness: 8.3 mm
  • Lug-to-lug length: 37.0 mm
• Crystal: Sapphire crystal, providing a high level of scratch resistance.
• LumiBrite: Luminous coating on the hands and indexes for improved visibility in the dark.
• Water Resistance: 10 bar (100 meters), suitable for swimming.
• Case Back: Screw-down. 

Band and dial

• Band Material: Two-tone stainless steel.
• Clasp: Three-fold clasp with push button release.
• Band Width: 14 mm.
• Dial Color: Mother-of-pearl.
• Hand and Index Color: Gold-tone. 

Key features

• Durable and elegant: The combination of a stainless steel case, scratch-resistant sapphire crystal, and two-tone bracelet provides a watch that is both robust and stylish.
• Classic design: The watch features a timeless, classic look with a white mother-of-pearl dial and simple markers.
• Reliable quartz movement: The 6N22 quartz caliber ensures reliable and accurate timekeeping with a long battery life.