The Longines Master Collection 40 mm, stainless steel with blue alligator-skin strap, self-winding caliber L899.2 with moon-phase display | Reference Number LO510177

Classic elegance and superior quality: The Longines Watchmaking Tradition Master Ref. L2.909.4.92.0 stands out for its stainless steel case with a diameter of 40 millimeters and its sapphire crystal caseback displaying the self-winding caliber L899. The deep blue dial with sunray finish features a highly detailed moon-phase display with a blue background, gold moon and stars, and a framing date indicator. The blue alligator-skin strap rounds off the watch stylishly.