MOVEMENT Ronda quartz 5040.B CASE Stainless steel with 4N PVD or stainless steel and 4N PVD, case back secured snap CRYSTAL Scratch-resistant, anti-reflective sapphire crystal DIMENSIONS ∅ 42 mm / 9.70 mm DIAL Light silver opaline STRAP & CLASP Brown leather, pin buckle or stainless steel and 4N PVD, folding clasp FUNCTIONS Hour, minute, second, chronograph