HorowellWatch Finder
Log in
· Ultra-Chron

Ultra-Chron Carbon

L2.839.4.52.2

Diameter
43mm
Thickness
14mm
Size
Midsize
Lug to lug
48.9mm
Water resistance
300m
Movement
Automatic
Type
Diver
Case material
Carbon / Composite
Case shape
Round
Dial
Grey
Dial finish
Matte
Complications
Date, Dive Bezel
Crystal
Sapphire, scratch-resistant, with several layers of anti-reflective coating on both sides
Power reserve
52h
Straps
NATO
Certifications
COSC Chronometer
Production
In production
Origin
Swiss (Heritage)
Era
Reissue / Heritage
View on longines.com ↗

Reviews

Reviews of the Ultra-Chron line

  • Henry Cavill on Longines and his ultimate 3-watch collection

    Time+Tide · Sep 18, 2026 · 5:57

    Watch from 1:14

More from Longines