Longines Record collection Watch - 30 mm Steel Case - Black Diamond Dial - Bracelet - L2.321.4.57.6 Petite At the origin of this

At the origin of this ingenious mechanism

Juventus skeleton dial

octagonal crown set with a sapphire

caliber 582QA self-winding movement with chronograph and date

silver flinque dial

Longines Record collection Watch - 30 mm Steel Case - Black Diamond Dial - Bracelet - L2.321.4.57.6 Petite At the origin of this30. 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.