The unique Longines Master Collection automatic watch features a round 40.00mm stainless steel case and water resistance up to 30 meters (100 feet). This watch is enhanced with a silver "barleycorn" dial and sapphire crystal. The functionality of this timepiece includes hours, minutes, small seconds with 24 hours indicator at 9 o'clock. Date indicated by the half moon central hand. Chronograph mechanism : central 60 seconds hand, moon phase display with 12 hours counter at 6 o'clock, 30 minutes counter with day and month display at 12 o'clock. L2.673.4.78.6. Transparent Case Back ...