Product Images

Longines HydroConquest Automatic 39 mm Stainless Steel image number 0 Longines HydroConquest Automatic 39 mm Stainless Steel image number 1 Longines HydroConquest Automatic 39 mm Stainless Steel image number 2 Longines HydroConquest Automatic 39 mm Stainless Steel image number 3
Longines HydroConquest Automatic 39 mm Stainless Steel image number 0 Longines HydroConquest Automatic 39 mm Stainless Steel image number 1 Longines HydroConquest Automatic 39 mm Stainless Steel image number 2 Longines HydroConquest Automatic 39 mm Stainless Steel image number 3

Combining contemporary aesthetics with proven performance, HydroConquest takes inspiration from maritime adventure and upholds timeless design principles, offering sporty timepieces that move effortlessly from active pursuits to elegance.

This 39-mm model houses the exclusive Longines calibre L888.5, a self-winding mechanical movement featuring a silicon balance- spring and innovative components that make it up to ten times more resistant to magnetic fields than ISO 764 standards require. It offers exceptional precision and a power reserve of up to 72 hours.


  • Product Number: 450020644096
  • Model Number: L3.779.4.56.6
  • Collection: Conquest
  • Subcollection: HydroConquest
  • Dial Colour/Material: Black
  • Case Size: 39 mm
  • Case Material: Stainless Steel
  • Bracelet: Stainless Steel
  • Warranty:

    5-year
  • Case Thickness: 11.70 mm
  • Caseback: Plain, stainless steel
  • Bezel: Unidirectional rotating
  • Watch Crystal: Scratch-resistant sapphire crystal with several layers of anti-reflective coating on both sides
  • Clasp: Double security folding clasp with micro adjustment system
  • Calibre: L888
  • Power Reserve: 72 hours
  • Water Resistance: 300 metres / 30 ATM
  • Functions: Hours, minutes, seconds, date
View More Details
View Fewer Details

SHIPPING

Enjoy free standard shipping within Canada. To ensure the satisfaction of parcel reception, all our packages require signature upon delivery. The estimated delivery time is 2 to 5 days business days. For more information, click here.

RETURNS

All watches purchased on MaisonBirks.com can only be returned or exchanged by mail within 30 days of delivery, provided merchandise has not been worn, altered, engraved, or special-ordered. All claims, returns, battery replacement, or warranty service must be accompanied by proof of purchase, original packaging and warranty materials. All returns are subject to a quality inspection to ensure the merchandise meets our return policy criteria. All merchandise purchased with cryptocurrency is final sale. If a prepaid shipping label was not received with your order, please contact Client Services Team at +1 (855) 873-7373 or +1 (833) 613-2600 or send an email to info@birks.com. For more information, click here.

Longines

Longines HydroConquest Automatic 39 mm Stainless Steel

HydroConquest Automatic 39 mm Stainless Steel
Estimated Price:
$ 2,900
Add to Wishlist
Financing Available with .* Apply Apply
Book an Appointment
*This item is on order. This ring will be crafted just for you.
Contact an expert to confirm the delivery timeline.

All images shown are for illustration purposes only. Actual product may vary. Birks reserves the right to change the font, size and text orientation depending on the engraving message for best result.

Please note the estimated time for our engraving services is 7 to 10 business days. Engraved items are final sale.

Once adjusted Tudor watches are final sale.

Note that in store (after sale) adjustments to your Tudor watch is available exclusively in Official Tudor Maison Birks locations.

Combining contemporary aesthetics with proven performance, HydroConquest takes inspiration from maritime adventure and upholds timeless design principles, offering sporty timepieces that move effortlessly from active pursuits to elegance.

This 39-mm model houses the exclusive Longines calibre L888.5, a self-winding mechanical movement featuring a silicon balance- spring and innovative components that make it up to ten times more resistant to magnetic fields than ISO 764 standards require. It offers exceptional precision and a power reserve of up to 72 hours.


  • Product Number: 450020644096
  • Model Number: L3.779.4.56.6
  • Collection: Conquest
  • Subcollection: HydroConquest
  • Dial Colour/Material: Black
  • Case Size: 39 mm
  • Case Material: Stainless Steel
  • Bracelet: Stainless Steel
  • Warranty:

    5-year
  • Case Thickness: 11.70 mm
  • Caseback: Plain, stainless steel
  • Bezel: Unidirectional rotating
  • Watch Crystal: Scratch-resistant sapphire crystal with several layers of anti-reflective coating on both sides
  • Clasp: Double security folding clasp with micro adjustment system
  • Calibre: L888
  • Power Reserve: 72 hours
  • Water Resistance: 300 metres / 30 ATM
  • Functions: Hours, minutes, seconds, date
View More Details
View Fewer Details

SHIPPING

Enjoy free standard shipping within Canada. To ensure the satisfaction of parcel reception, all our packages require signature upon delivery. The estimated delivery time is 2 to 5 days business days. For more information, click here.

RETURNS

All watches purchased on MaisonBirks.com can only be returned or exchanged by mail within 30 days of delivery, provided merchandise has not been worn, altered, engraved, or special-ordered. All claims, returns, battery replacement, or warranty service must be accompanied by proof of purchase, original packaging and warranty materials. All returns are subject to a quality inspection to ensure the merchandise meets our return policy criteria. All merchandise purchased with cryptocurrency is final sale. If a prepaid shipping label was not received with your order, please contact Client Services Team at +1 (855) 873-7373 or +1 (833) 613-2600 or send an email to info@birks.com. For more information, click here.

Combining contemporary aesthetics with proven performance, HydroConquest takes inspiration from maritime adventure and upholds timeless design principles, offering sporty timepieces that move effortlessly from active pursuits to elegance.

This 39-mm model houses the exclusive Longines calibre L888.5, a self-winding mechanical movement featuring a silicon balance- spring and innovative components that make it up to ten times more resistant to magnetic fields than ISO 764 standards require. It offers exceptional precision and a power reserve of up to 72 hours.


  • Product Number: 450020644096
  • Model Number: L3.779.4.56.6
  • Collection: Conquest
  • Subcollection: HydroConquest
  • Dial Colour/Material: Black
  • Case Size: 39 mm
  • Case Material: Stainless Steel
  • Bracelet: Stainless Steel
  • Warranty:

    5-year
  • Case Thickness: 11.70 mm
  • Caseback: Plain, stainless steel
  • Bezel: Unidirectional rotating
  • Watch Crystal: Scratch-resistant sapphire crystal with several layers of anti-reflective coating on both sides
  • Clasp: Double security folding clasp with micro adjustment system
  • Calibre: L888
  • Power Reserve: 72 hours
  • Water Resistance: 300 metres / 30 ATM
  • Functions: Hours, minutes, seconds, date
View More Details
View Fewer Details

SHIPPING

Enjoy free standard shipping within Canada. To ensure the satisfaction of parcel reception, all our packages require signature upon delivery. The estimated delivery time is 2 to 5 days business days. For more information, click here.

RETURNS

All watches purchased on MaisonBirks.com can only be returned or exchanged by mail within 30 days of delivery, provided merchandise has not been worn, altered, engraved, or special-ordered. All claims, returns, battery replacement, or warranty service must be accompanied by proof of purchase, original packaging and warranty materials. All returns are subject to a quality inspection to ensure the merchandise meets our return policy criteria. All merchandise purchased with cryptocurrency is final sale. If a prepaid shipping label was not received with your order, please contact Client Services Team at +1 (855) 873-7373 or +1 (833) 613-2600 or send an email to info@birks.com. For more information, click here.

Contact an Expert

Chat with Us
+1(855) 873-7373 Send an Email