The Longines L2.793.4.73.2 watch combines a 40mm round shaped stainless-steel case and grey leather strap with a fold over clasp. It has a silver analogue dial which is protected beneath scratch resistant sapphire crystal glass with several layers of anti-reflection treatment on both sides. Power is generated by the automatic L888 calibre movement which has a power reserve of 72 hours and can be seen through the sapphire crystal back. This model also has a water resistance of up to 30 metres.