Movement: Swiss Ronda 763 quartz movement Case Material: Stainless steel Case Color: Silver Case Diameter: 31 mm / 36 mm Case Height: 11.5 mm Lug Width: - 31 mm: 22 mm - 36 mm: 25 mm Crystal: Scratch resistant sapphire crystal Case Water Resistance: 10 ATM Strap Material: Stainless steel Strap Color: Silver & rose gold Closure: Folding clasp push-buttons Strap Length: Fits wrist sizes from 6.5" to 9.5" Strap Width: - 31 mm: 16 mm - 36 mm: 19 mm Dial Color: Avocado green Weight: - 31 mm: 86 g - 36 mm: 135 g