Longines Ultra-Chron Classic 37mm (2025)
Case is 37mm with a thickness of 10.95mm, stainless steel with brushed and polished surfaces, box-shaped sapphire crystal with multi-Hayer AR coating, solid steel back with period Ultra-Chron logo and chronometer certification engraving, water resistant to 50m. Dial is domed silver sunray with crosshair, applied faceted hour markers and baton hands filled with black lacquer and a trapezoidal date window at 3 0’clock, all closely echoing the 1967 original and deliberately without lume for a clean, vintage look.Movement is automatic high-frequency calibre L836.6 beating at 36, 000vph (5Hz) with silicon balance spring and full Timelab “Observatoire Chronométrique” ultra-chronometer certification on the complete watch, 52hrs of power reserve. Priced at €3, 850 on bracelet
