The chronographs in the LONGINES Master Collection represent the pinnacle of watchmaking craftsmanship and timeless elegance. This emblematic line comprises an array of meticulously crafted chronograph models, each exemplifying LONGINES’ unwavering commitment to enduring style and technical excellence. From the sophistication of the dial to the intricate mechanical movements within, these chronograph watches bear witness to LONGINES’ storied heritage and expertise in watchmaking. Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides. Transparent case back with sapphire crystal. Chronograph mechanism: central 60 seconds hand, moon phase display with 12 hours counter at 6 o'clock and 30 minutes counter with day and month display at 12 o'clock. Hours, minutes, small seconds with 24 hours indicator at 9 o'clock. Self-winding mechanical movement beating at 28'800 vibrations per hour, with a monocrystalline silicon balance-spring power reserve up to 66 hours. Hours, minutes, small seconds with 24 hours indicator at 9 o'clock. Date indicated by the half moon central hand. Moon phase display at 6 o'clock. Triple safety folding clasp and push-piece opening mechanism. Water-resistant to 3 bar / 30 meters.

Specifications