Current Production
Twenty-Four Hours 47.5 mm
LONGINES L2.751.4.53.4
MSRP
$4,150 USD
Verified Aug 18, 2026
Case diameter47.5 mm
Case size47.5 mm
Lug-to-lug58.3 mm
Thickness15.6 mm
Lug width25 mm
Case materialStainless steel
CrystalScratch-resistant sapphire crystal, with several layers of anti-reflective coating on the underside
Water resistance30 m
MovementAutomatic
CalibreL704.3
Power reserve48 hours
DialBlack matt
Bracelet or strapAlligator strap, Black
Specifications as published by Longines →
Last verified Aug 18, 2026