Longines Ladies PrimaLuna Watch # L8.112.4.71.6. Stainless steel case. Stainless steel bracelet. Swiss made quartz movement. Silver dial with roman numerals. Date calendar display at 3 o' clock position. Scratch-resistant sapphire crystal. Water resistant to 30 meters. Approximate case diameter: 26.5mm. Model Number: L8.112.4.71.6 L8.112.4.71 L8.112.4.7 L8.112.4 L8.112.