Current Production
Spirit Pilot Flyback 39.5 mm
LONGINES L3.721.4.53.6
MSRP
$5,550 USD
Verified Aug 18, 2026
Case diameter39.5 mm
Case size39.5 mm
Lug-to-lug47.4 mm
Thickness13.4 mm
Lug width20 mm
Case materialStainless steel and ceramic bezel
CrystalScratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides
Water resistance100 m
MovementManual winding
CalibreL792.4
Power reserve68 hours
DialBlack matt
Bracelet or strapStainless steel bracelet
Specifications as published by Longines →
Last verified Aug 18, 2026