Current Production
Master Collection 40 mm
LONGINES L2.910.4.78.3
MSRP
$2,850 USD
Verified Aug 18, 2026
Case diameter40 mm
Case size40 mm
Lug-to-lug46.8 mm
Thickness10.8 mm
Lug width21 mm
Case materialStainless steel
CrystalScratch-resistant sapphire crystal
Water resistance30 m
MovementAutomatic
CalibreL897.2
Power reserve72 hours
DialSilver "barleycorn"
Bracelet or strapAlligator strap, Brown
Specifications as published by Longines →
Last verified Aug 18, 2026