Longines HydroConquest Blue Dial Watch 44mm

Longines HydroConquest L3.841.4 Blue Dial Automatic 44mm

Longines HydroConquest L3.841.4 Blue Dial Automatic 44mm

Name: Longines HydroConquest L3.841.4 Blue Dial Automatic 44mm
Brand: Longines
Price: 720.00 USD
Availability: InStock

Longines

1Low stock

1In stock, ready to ship

100% Authentic

Every timepiece is genuine, certified and exactly as described

Box & Papers as Listed

Exactly what's included is shown in every listing, plus a 12-month Watchlunex warranty

Secure Payment

SSL encrypted checkout · verified & trusted business

Easy Returns

30-day returns on unworn watches — see policy

$720.00 -40% $1,200.00

$720.00

Certified Authenticity

White-Glove Service

Certified Pre-Owned

Expert Watchmakers

✓ Free insured shipping✓ 30-day returns✓ 12-month warranty

Order Today Ships in 1 Business Day Delivered in 4–5 Business Days

A Longines HydroConquest diver with blue dial, automatic movement and sapphire crystal in a 44mm steel case on its original bracelet, reference L3.841.4.

Specifications

Brand: Longines
Model: HydroConquest
Reference: L3.841.4
Movement: Automatic
Case material: Stainless steel
Case size: 44mm
Dial: Blue
Condition: Pre-owned
Included: Original bracelet

Condition

Pre-owned, inspected and authenticated. Supplied with: Original bracelet.

About Longines

Founded in 1832 in Saint-Imier, Longines is one of the oldest Swiss watch brands, known for elegant design, aviation heritage and excellent value.

Buy with confidence at Watchlunex

Every watch is inspected and authenticated before sale
Free insured shipping
30-day returns

What our customers say

Excellent

Based on 2,400+ reviews Trustpilot

Verified

Thomas B., Sep 21, 2026

Exceptional Rolex Datejust

I recently acquired a vintage Rolex Datejust from Watchlunex and it exceeded all expectations. The condition was pristine, and the authentication papers provided me with complete peace of mind. Shipping to the US was incredibly fast and secure.

Verified

Alexander P., Sep 18, 2026

Beautiful Omega Speedmaster

Purchased my dream watch, the Omega Speedmaster Professional. Watchlunex's customer service answered all my questions about the movement's service history. The watch arrived beautifully packaged and keeps perfect time. A truly professional outfit.

Verified

David M., Sep 14, 2026

A Flawless Cartier Tank Francaise

Bought a Cartier Tank Française for my wife's anniversary present. The two-tone gold and steel bracelet is flawless. She was absolutely thrilled. Thank you to the team for helping me choose the perfect piece and ensuring it arrived on time!

Verified

Robert J., Sep 10, 2026

Trusted Source for Vintage Breitling

Found a rare 1990s Breitling Navitimer here. I'm usually hesitant about buying vintage online, but their authenticity guarantee and detailed macro shots convinced me. The watch in person is even more stunning. I'll definitely be returning for my next piece.

Verified

William K., Sep 05, 2026

Excellent Service and Expertise

Traded in a piece towards a Rolex Submariner. The valuation was fair and the entire process was seamless. You can tell they are true horology experts. The Submariner is now my daily driver. Highly recommended.

Verified

Daniel S., Sep 02, 2026

Perfect Tudor Black Bay

My Tudor Black Bay 58 arrived exactly as described, complete with original box and tags. The brushed finish on the case is immaculate. Very impressed with the careful packaging and next-day insured delivery. Five stars all the way!

Verified

Emma W., Aug 28, 2026

Stunning TAG Heuer Carrera

Was looking for a specific TAG Heuer Carrera chronograph and Watchlunex had it at a fantastic price. It looks brand new despite being pre-owned. The chronograph functions are crisp and the dial is perfect. Very happy customer.

Verified

Marcus T., Aug 24, 2026

Cartier Santos 100 - A Masterpiece

Second purchase from Watchlunex and they never disappoint. The Cartier Santos 100 XL is a statement piece. The polish on the bezel is factory-perfect. Their quality control is second to none. Buy with absolute confidence.

Showing our 5 star reviews

Your cart

Longines HydroConquest L3.841.4 Blue Dial Automatic 44mm

Specifications

Condition

About Longines

Buy with confidence at Watchlunex

What our customers say

Exceptional Rolex Datejust

Beautiful Omega Speedmaster

A Flawless Cartier Tank Francaise

Trusted Source for Vintage Breitling

Excellent Service and Expertise

Perfect Tudor Black Bay

Stunning TAG Heuer Carrera

Cartier Santos 100 - A Masterpiece

You May Also Like