lug2lug
BrowseCompareNewsCommunityMy Watches
BrowseCompareNewsCommunityMy Watches
Theme
Popular microbrands:Christopher Ward·Baltic·anOrdain·Atelier Wen·Boldr·Bremont·Dan Henry·DOXABrowse all →
Best, by the specs:Best dress watches·Diver under $5,000·Chronograph under $5,000·Sport under $5,000·GMT under $5,000·Field under $2,000·Best tool watches·Pilot under $2,000All rankings →
Glossary:Lug-to-Lug·Water Resistance·Chronograph·GMT·Automatic·LumeBrowse all →
Tools:Collection tracker·Wrist-fit calculator·What should I buy?·Value retention rankings·iPhone app
Lug2Letter
Watches worth knowing about, weekly.
Curated discoveries, founder spotlights, and the occasional deep-dive.
Now on iPhone
Download on theApp Store
TermsPrivacyCopyrightDisclosuresContactContribute

Independent reference site · not affiliated with any brand · contains affiliate links

© 2026 Lug2Lug LLC · Prices are estimates and not offers

Loading watch
Home/Browse/Longines/HYDROCONQUEST GMT
Longines HYDROCONQUEST GMT
Click to inspect
Ask the communityStart a discussion about the HYDROCONQUEST GMT — get takes from other collectors.Ask →
Longines · HydroConquest GMT

Longines HYDROCONQUEST GMT

Ref. L3.790.4.06.6 · Diver

$3,350
Find used on eBay

Case

Diameter
41mm
Thickness
12.9mm
Lug-to-lug
49.4mm
Lug width
21mm
Material
Stainless Steel
Water resistance
300m

Crystal & dial

Crystal
Sapphire
Dial colour
Green

Movement

Caliber
L844.5
Type
Automatic
Hacking
No
Hand-winding
No
Complications
Time only

Design language

Case shape
round
Dial style
matte
Bezel
rotating
Bracelet
lug-attached
Hands
baton

AI-detected from the product image

HydroConquest GMT collection · 3 watches

HYDROCONQUEST GMT
HYDROCONQUEST GMT43mm
HydroConquest GMT 41mm
HydroConquest GMT 41mm41mm

3 colorways

Alternatives

01The connection engine

More like this.

Zelos Swordfish 3

Zelos

Swordfish 3

40mm · Automatic$399

Geckota Sea-Hunter Dive Watch

Geckota

Sea-Hunter Dive Watch

40mm · Automatic$349

Balticus Watches Balticus Deep Water

Balticus Watches

Balticus Deep Water

42mm · Automatic$236

Dryden Pathfinder

Dryden

Pathfinder

41mm · Automatic$650

Phoibos Argo

Phoibos

Argo

40.5mm · Automatic$345

MMI Watches Turret 300M V2- SAND BLACK Model: TRD-04

MMI Watches

Turret 300M V2- SAND BLACK Model: TRD-04

40mm · Automatic$425

View all alternatives

02The community take

Owners talk.

“

Owners widely praise the Longines HYDROCONQUEST GMT for its excellent finishing, smooth winding action, and overall value, with some finding its build quality and colorways superior to higher-priced competitors. Reviewers and owners alike note its robustness as a traveler's dive watch with a true GMT movement. Some owners find the round markers at 6 and 9 disrupt dial symmetry, and the GMT hour markers are described as tiny and difficult to read. The date wheel can be mismatched on certain dial colors, and the bracelet clasp is noted as sharp by one reviewer. While some owners wish for a smaller case size, others find the 41mm comfortable. The bezel action is flagged as having bounce-back by one owner, though the brushed finish effectively hides wear. Overall, owners and reviewers rate the Longines HYDROCONQUEST GMT highly for its robust build and excellent value proposition.

Synthesized from 5 sources
Reddit·2↗
WatchCrunch↗
Monochrome↗
WatchUSeek↗
Open the discussion

On real wrists

No shots yet. Show how it wears.

03The paper trail

04The discussion

Talk about the Longines HYDROCONQUEST GMT.