Current Production
Master Collection 29 mm
LONGINES L2.257.4.78.3
MSRP
$2,350 USD
Verified Aug 18, 2026
Case diameter29 mm
Case size29 mm
Lug-to-lug34.5 mm
Thickness9 mm
Lug width15 mm
Case materialStainless steel
CrystalScratch-resistant sapphire crystal
Water resistance30 m
MovementAutomatic
CalibreL592.5
Power reserve45 hours
DialSilver "barleycorn"
Bracelet or strapAlligator strap, Brown
Specifications as published by Longines →
Last verified Aug 18, 2026