Longines
Code: L3.780.3.78.9
$2,150.00
$1,395.00
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The HydroConquest in grey and rose gold holds a quiet kind of power. It moves like a tool built for pressure, but it looks like something meant for conversation. This piece doesn’t lean into one identity. It balances between sport and polish, utility and presence, with every detail working toward that middle ground.
The case measures 39mm across. That size lands in a sweet spot. Large enough to catch the eye. Compact enough to wear without drawing attention to itself. Stainless steel and ceramic build the structure. The materials alternate in tone and texture. The steel brings weight. The ceramic adds resistance. Both carry the same muted grey finish, smoothed and brushed to a semi-matte sheen. The bezel rotates with a quiet click. It locks with precision. Each grip on the edge feels like it was cut by a toolmaker. It serves a purpose, but carries a bit of style in the way it holds light.
The dial is a shade of grey that changes with each glance. At first it reads flat, almost industrial. Then it picks up the warmth from the rose gold hands and markers. Suddenly it feels deeper. The contrast brings a quiet glow across the face. The markers mix Arabic numerals at the cardinal points with simple dots and lines elsewhere. They’re crisp, filled with lume, and easy to read without checking twice. The rose gold hands follow the same rule. Broad. Clean. Luminous. A small date window sits at 3 o’clock. The background matches the dial. The numerals are sharp. Nothing draws extra attention, but nothing gets lost.
Inside the case, the Longines Caliber L888 movement handles the time. It’s automatic and self-winding. It runs with a 72-hour power reserve. That’s three days of reliability. No winding. No adjustment. Once it’s set, it stays on beat.
The crystal covering the dial is sapphire. It resists scratches and stays clear. The surface is flat, so there’s no distortion. The edge rises just slightly above the bezel, giving the face a framed look without interrupting the profile.
The strap is grey rubber. It’s soft, but firm. There’s texture in the design, a fine pattern that keeps it from feeling slick. The rubber hugs the wrist, and the deployant clasp locks it into place with a secure click. There’s no overhang. No slip. The connection feels sealed.
This HydroConquest doesn’t overperform. It stays composed. Built for water, designed for daily wear, and dressed just enough to walk into any setting without feeling out of place. The grey tones bring calm. The rose gold brings heat. Together they give this watch a subtle tension. A contrast that plays out across the dial every time you catch the light. It doesn’t compete and instead sits apart. Confident in what it offers. Precise in how the Longines HydroConquest keeps time. Made for someone who prefers depth over volume.
Brand
Longines
Series
HydroConquest
Sub Series
Automatic
Gender
Men's
Code
L3.780.3.78.9
MPN
L3.780.3.78.9
UPC
7612356221690
Brand Origin
Swiss Made
Case Material
Ceramic & Stainless Steel
Case Shape
Round
Case Diameter
39mm
Case Thickness
12.2mm
Case Back
Solid
Crystal
Scratch Resistant Sapphire
Dial Color
Grey
Dial Description
Rose Gold tone Hands and Arabic Numeral/Dot Hour Markers with Minute Markers around the outer rim with the Date displayed at the 3 o'clock position on a Grey Dial
Dial Markers
Arabic & Stick
Hand Color
Rose Gold
Calendar
Date at 3 o'clock
Functions
Date, Power Reserve and Hour, Minute, Second
Movement
Automatic Self Winding
Engine
Longines Caliber L888
Power Reserve
Approx. 72 hours
Movement Description
Automatic
Band Material
Rubber
Band Color
Grey
Band Description
Grey Rubber
Clasp Type
Deployment with Push Button and Foldover
Water Resistant
300 Meters - 990 Feet
Warranty
5 Year WatchMaxx Warranty
Also Known As
L37803789, L3.780.3.78.9
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