Longines Record collection Watch - 30 mm Steel Case - Black Diamond Dial - Bracelet - L2.321.4.57.6 Petite non screw-locked crown with two

non screw-locked crown with two gaskets and integrated push piece

With a deep blue dial juxtaposed against a brown leather strap

black alcantara strap

silver flinque dial

At the origin of this ingenious mechanism

Longines Record collection Watch - 30 mm Steel Case - Black Diamond Dial - Bracelet - L2.321.4.57.6 Petite non screw-locked crown with two30. 00 mm stainless steel case, transparent sapphire crystal back, scratch resistant sapphire crystal with anti reflective coating, black lacquered polished dial with diamond indexes set with 13 Top Wesselton VS SI diamonds (~0. 037 cts), caliber L592. 4 automatic movement with hours, minutes, seconds and date, approximately 40 hours of power reserve, stainless steel bracelet. Water resistant to 3 bar.