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Longines expanded its HydroConquest GMT range with 43 mm models on 21 March 2024, following the 41 mm versions introduced in 2023. The collection pairs a stainless steel case and ceramic bezel with the automatic L844.5 GMT calibre; Longines says the complication displays two time zones at once.
When did the Longines HydroConquest GMT 43mm come out?
The 43 mm models were announced on 21 March 2024. Longines described them as an expansion of the HydroConquest GMT line, after the 41 mm models launched in 2023. So, although the collection may be new to shoppers encountering it now, the 43 mm watches are not a 2026 launch. Longines’ dated Media Center announcement gives the chronology.
| # | Preview | Product | Price | |
|---|---|---|---|---|
| 1 |
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HYDROCONQUEST 41MM Automatic Watch | $3,350.00 | Buy on Amazon |
| 2 |
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HYDROCONQUEST 41MM Automatic Watch | $1,600.00 | Buy on Amazon |
| 3 |
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HYDROCONQUEST 41MM Automatic Watch | $2,000.00 | Buy on Amazon |
| 4 |
|
HYDROCONQUEST 41MM Automatic Watch | $3,350.00 | Buy on Amazon |
| 5 |
|
HYDROCONQUEST 41MM Automatic Watch | $1,600.00 | Buy on Amazon |
What colors and strap options are listed?
Longines’ official collection page identifies green, black, and blue versions. Listed configurations include a stainless steel bracelet, rubber strap, and NATO strap. The page does not establish that every dial color is available with every strap, so check the exact reference and configuration in the regional listing before comparing or ordering. Longines’ collection page is the official starting point.
What are the main specifications?
| Feature | Longines specification |
|---|---|
| Case | 43 mm stainless steel, with alternating polished and satin-brushed surfaces |
| Movement | Automatic Longines GMT calibre L844.5, with a silicon balance-spring and non-magnetic components |
| GMT display | Two time zones can be read simultaneously, according to Longines |
| Bezel | Unidirectional notched ceramic bezel with a luminescent capsule |
| Water resistance | 30 bar (300 metres), as specified by Longines |
| Case back and crown | Screw-down case back; the 2024 launch announcement also specifies a screw-in crown |
These details are stated on Longines’ official collection page and in its 21 March 2024 announcement.
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- Automatic L844 movement, hours, minutes, seconds and date. 24 hours hand with time zone mechanism Screw-down case back
- Stainless steel with double security folding clasp with micro adjustment system
- 5 Year International Warranty
Can the HydroConquest GMT show two time zones?
Yes. Longines says the GMT complication allows simultaneous reading of two time zones. The specification establishes that function, but the official overview does not explain the exact crown-setting procedure; consult the instructions supplied with the specific watch rather than assuming a setting sequence.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What should you verify before choosing a version?
Use the color and strap choices as a shortlist, then confirm the exact reference on a current regional product or retailer page. Longines’ official materials reviewed here do not establish current prices, live stock, every color-and-strap pairing, bracelet dimensions, power reserve, accuracy, or regional warranty terms. Verify those details for the exact listing rather than treating them as collection-wide facts.
Quick Recap
Best Value
- Automatic L888 movement, hours, minutes, seconds and date Screw-down case back
- Stainless steel with double safety folding clasp
- 5 Year International Warranty
Rank #4
- Automatic L844 movement, hours, minutes, seconds and date. 24 hours hand with time zone mechanism Screw-down case back
- Stainless steel with double security folding clasp with micro adjustment system
- 5 Year International Warranty
Rank #3
- Automatic L888 movement, hours, minutes, seconds, and date. Screw-down case back
- Stainless steel with double safety folding clasp
Rank #2
- Automatic L888 movement, hours, minutes, seconds and date Screw-down case back
- Stainless steel with double safety folding clasp
- 5 Year International Warranty
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
