2470 W-E10. The strap is faulty and will not lock it be a simple fix but I am not sure.

Strap Material: Stainless Steel
Movement: Digital
Water Resistance: 50 m (5 ATM)
Strap Colour: Silver
Dial Colour: Silver
Brand: Casio
Department: Men
Case Colour: Silver
Type: Wristwatch
Caseback: Screwback
Model: Casio Vintage
Style: Casual
Case Finish: Brushed
Case Material: Resin
Country/Region of Manufacture: China
Display: Digital
EAN: DoesNotApply