Longines Ultra-Chron Chronometer Men's 37mm Watch L2.537.4.72.6 Secondary Gemstone Type_Citrine this watch is engineered for

this watch is engineered for deep-sea exploration

staying true to the collection’s promise of precision

creating a harmonious balance of classic elegance and contemporary flair

50ct TW Diamond Solitaire Earrings in 9ct White Gold

Crafted in 9ct white gold

Longines Ultra-Chron Chronometer Men's 37mm Watch L2.537.4.72.6 Secondary Gemstone Type_Citrine this watch is engineered forIn 1968, Longines launched the Ultra Chron Diver, the first dive watch equipped with a high frequency movement. At the time, Longines had already established itself as a pioneer in high frequency technology. As early as 1910, the winged hourglass brand created the first high frequency timekeeping device capable of measuring 1 10th of a second. In 1959, Longines developed the first high beat movement for a wristwatch, an observatory chronometer that