Citizen BM7462-15E Eco Drive casual men's watch ✅Caliber No.: E111 ✅Strap: Calf Leather Strap ✅Water Resistant 50m ✅Case Thickness: 10mm ✅Case diameter: 40mm ✅Case: Stainless Steel ✅Glass: Mineral crystal ✅Date Display ✅Eco-Drive (recharged by any light source, no need to change battery) ✅Insufficient Charge Warning Function ✅Overcharge Prevention Function ✅3 year warranty