Longines HydroConquest vs Longines Legend Diver
Side-by-side comparison of specifications and features
Key Differences
Price Comparison
| Specification | Longines HydroConquest | Longines Legend Diver |
|---|---|---|
| Pricing | ||
| MSRP | $1,600 | $2,475 |
| New Price | $1,640 | $2,850 |
| Used Price (Low) | $1,315 | $1,485 |
| Used Price (High) | $1,562 | $13,090 |
| 30-Day Trend | ↑ +18.5% | ↑ +19.2% |
| Used Price Range | $1,315 - $1,562 | $1,485 - $13,090 |
| Identity | ||
| Reference | L3.781.4.96.6 | L3.774.4.50.6 |
| Nickname | N/A | N/A |
| Style | Diver, Sports | Diver, Vintage |
| Release Era | 2010s | 2010s |
| Dimensions | ||
| Diameter | 41mm | 42mm |
| Thickness | 12.2mm | 14.3mm |
| Lug Width | 21mm | 21mm |
| Lug to Lug | 47.5mm | 49mm |
| Movement | ||
| Movement | Automatic | Automatic |
| Power Reserve / Battery | N/A | N/A |
| Accuracy | N/A | N/A |
| Case | ||
| Case Material | Stainless Steel | Stainless Steel |
| Crystal | Sapphire Crystal | Sapphire Crystal |
| Water Resistance | 300m (diving) | 300m (diving) |
| Bezel | Unidirectional rotating | Internal rotating |
| Dial | ||
| Dial Color | Blue | Black |
| Luminous | Yes | Yes |
| Community | ||
| Review Rating | N/A | N/A |
| In Collections | N/A | N/A |
| On Wishlists | N/A | N/A |
| Forum Threads | N/A | N/A |
Quick Summary
Longines HydroConquest and Longines Legend Diver can look close on a spec sheet, yet the tradeoffs that matter most are usually entry price versus premium finishing or specs. They both touch the diver use case, so smaller spec differences can matter more than brand preference.
How to choose
The biggest practical difference is usually movement and upkeep. Start with wrist fit and movement preference, then use water resistance and price to break the tie.
Longines HydroConquest
Longines HydroConquest is a better fit for mechanical-watch enthusiasts, diver styling.
Longines Legend Diver
Longines Legend Diver is a better fit for mechanical-watch enthusiasts, diver styling.
Key Differences
Movement and upkeep
Longines HydroConquest: automatic movement
Longines Legend Diver: automatic movement
Both use the same movement type, so maintenance differences are limited and fit or feature details should decide the purchase.
Size and wearability
Longines HydroConquest: 41mm · L2L 47.5mm
Longines Legend Diver: 42mm · L2L 49mm
Their size profiles are relatively close, so fit comes down to shape, weight, and how each watch sits on your wrist.
Water resistance
Longines HydroConquest: 300m
Longines Legend Diver: 300m
Water resistance is similar on paper, so focus on fit, features, and price instead.
Price and value
Longines HydroConquest: $1,417
Longines Legend Diver: $2,475
There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.
Style and use case
Longines HydroConquest: diver
Longines Legend Diver: diver
Both lean into a similar diver use case — the choice is more about fit, features, and price than category.
Crystal and materials
Longines HydroConquest: sapphire crystal · steel
Longines Legend Diver: sapphire crystal · steel
Materials are broadly similar, so finish, fit, and price will matter more than the materials list alone.
Choose Longines HydroConquest If...
- You want the lower current entry price.
Choose Longines Legend Diver If...
- You are comfortable paying more for a stronger feature set.
Price and Value Notes
Longines HydroConquest is often the value play at current pricing, while Longines Legend Diver makes more sense if you will use its extra features regularly.
There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.
Where to Check Deals
Check current deals on Amazon and eBay using the buttons below — listing prices, seller quality, and condition can change quickly.
Check current deals on Amazon and eBay
Prices change often, so compare the latest listings and condition options before you buy.
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Longines HydroConquest
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Longines Legend Diver
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Comparison FAQ
Which one is better for smaller wrists?
Start with case width and lug-to-lug. The watch that looks smaller on paper is often the safer choice, but lug shape and thickness still affect how it wears.
Which is better for swimming or rough daily wear?
Use the water resistance row as the first filter. Higher ratings generally give more flexibility for swimming and water exposure, but strap choice and overall condition still matter.
Should I choose based on price alone?
Price matters, but the better buy is the watch that matches your fit, feature priorities, and use case. Check live listings first, then decide whether the price gap actually changes the ownership experience.
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Longines HydroConquest
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Longines Legend Diver
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