Casing is a metal mix with gold 01 micron 18 carat gold plating and a brown leather watch strap the clock work is quartz and has an analogue display the high quality battery ensures that it will run for a long time ladys watch diameter 27 mm strap length approx 20 cm strap width 18 mm with real swarovski crystal on the watch face mens watch diameter 40 mm strap length approx 22 cm strap width 20 mm