Longines HydroConquest GMT 41mm Green Ceramic vs Tudor Black Bay Pro

SpecificationLongines HydroConquest GMT 41mm Green CeramicTudor Black Bay Pro
BrandLonginesTudor
CollectionHydroConquestBlack Bay
ReferenceL3.790.4.06.6M79470-0001
CategoryGMTGMT
Movement TypeAutomaticAutomatic
CaliberL844.4MT5652
Power Reserve72h70h
Frequency25,200 vph28,800 vph
Case Diameter41.0mm39.0mm
Case Thickness13.0mm12.7mm
Case MaterialStainless SteelStainless Steel
CrystalSapphireSapphire
Water Resistance300m / 984ft200m / 656ft
Weight160g155g
MSRP$1,825$3,650
Market Price$1,650$3,500

In-Depth Comparison

The Longines HydroConquest GMT 41mm Green Ceramic and the Tudor Black Bay Pro represent two compelling options in the luxury watch market. Both timepieces have earned devoted followings among collectors and enthusiasts, but they approach horology from distinctly different perspectives. Let's break down how these two watches compare across the key dimensions that matter most to buyers.

Heritage And Brand Prestige

Longines and Tudor are both highly respected names in watchmaking. Both watches hail from Switzerland, benefiting from the region's deep horological tradition. This particular HydroConquest reference was introduced in 2023, while this Black Bay reference debuted in 2022. The Longines HydroConquest GMT 41mm Green Ceramic is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Longines HydroConquest GMT 41mm Green Ceramic beats the L844.4 caliber offering a 72-hour power reserve running at 25,200 vph with 25 jewels. The Tudor Black Bay Pro is powered by the MT5652 with a 70-hour power reserve operating at 28,800 vph featuring 26 jewels. The Longines HydroConquest GMT 41mm Green Ceramic wins on power reserve with a 2-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The Longines HydroConquest GMT 41mm Green Ceramic features a 41.0mm case at 13.0mm thick with a 48.0mm lug-to-lug measurement, crafted in Stainless Steel. The Tudor Black Bay Pro comes in at 39.0mm and 12.7mm thick with 48.0mm lug-to-lug, constructed from Stainless Steel. The Tudor Black Bay Pro wears more compactly on the wrist, making it potentially more suitable for smaller wrists or those who prefer understated proportions. At 155g, the Tudor Black Bay Pro is the lighter of the two.

Materials And Construction

The Longines HydroConquest GMT 41mm Green Ceramic uses a Sapphire crystal paired with a Bidirectional rotating, 24-hour ceramic insert bezel, while the Tudor Black Bay Pro features Sapphire crystal with a Bidirectional rotating, 24-hour graduated bezel. On the wrist, the Longines HydroConquest GMT 41mm Green Ceramic comes on a Stainless steel bracelet with Folding clasp with safety push-buttons, while the Tudor Black Bay Pro is fitted with Stainless steel T-fit bracelet featuring T-fit clasp with micro-adjustment.

Water Resistance And Capability

The Longines HydroConquest GMT 41mm Green Ceramic is rated to 300m / 984ft and the Tudor Black Bay Pro to 200m / 656ft. For serious diving or water activities, the Longines HydroConquest GMT 41mm Green Ceramic offers a meaningful advantage.

Pricing And Value

At retail, the Longines HydroConquest GMT 41mm Green Ceramic lists for $1,825 compared to $3,650 for the Tudor Black Bay Pro. The Longines HydroConquest GMT 41mm Green Ceramic is the more accessible option at MSRP, saving $1,825 at retail. On the secondary market, the Longines HydroConquest GMT 41mm Green Ceramic trades around $1,650 while the Tudor Black Bay Pro commands approximately $3,500.

The Verdict

Choosing between the Longines HydroConquest GMT 41mm Green Ceramic and the Tudor Black Bay Pro ultimately comes down to personal priorities. For diving and water sports, the Longines HydroConquest GMT 41mm Green Ceramic is the stronger choice. for dress occasions and smaller wrists, the Tudor Black Bay Pro is more versatile. Both watches are exceptional timepieces that will serve their owner well for generations. We recommend trying both on the wrist at an authorized dealer before making your final decision, as comfort and emotional connection are ultimately just as important as specifications.