This Longines watch features a 39mm stainless - steel case and strap. The eye - catching green dial is protected by a scratch - resistant sapphire crystal with multiple layers of anti - reflective coating on both sides. It is powered by the L888 caliber and offers basic time - telling functions of hours, minutes, and seconds. Style number is L37644066.

Using this Longines watch is easy. Just wind it up initially if it's stopped, and it will keep accurate time with hours, minutes, and seconds functions. When wearing, make sure the strap fits comfortably on your wrist. As for maintenance, keep it away from strong magnetic fields and extreme temperatures. Clean the case and strap regularly with a soft, dry cloth. If the watch gets wet, dry it immediately. And remember to have it serviced by a professional every few years to keep it in top - notch condition.