Casio Edifice EFR-573D-2AVUEF Watch

The House of Fraser website refers to it as an SN99, but a reverse image search shows that it is an EFR-573D-2AVUEF with the specs below:

Technical Specifications

• Neo-display
  A luminous coating provides long-term illumination in the dark after only a short exposure to light.
• Date display
  The current date is shown on the display
• Stopwatch function - 10 min.
  Elapsed times are measured to the second. The measuring capacity reaches up to 10 minutes.
• Mineral glass
  The tough mineral glass resists scratching.
• Solid stainless steel case
  The solid stainless steel watch case provides a valued and robust quality.
• Stainless steel band
  Tough, durable and elegant: The stainless steel wrist strap gives your watch that classic feel.
• Safety Catch
  Always reliable: This watch has a particularly secure safety catch, which helps prevent the strap from opening by mistake.
• 3 Years - 1 Battery
  The battery supplies the watch with sufficient energy for approx. three years.
• Water resistance classification (10 bar)
  Perfect for swimming and snorkelling: the watch is water resistant to 10 bar according to ISO 22810.
• Dimensions (H x W x D)
  51,0mm x 47,1mm x 11,3mm
• Weight
  approx. 145,0 g