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Marine Performance Meets Vintage Style: The 39mm Mesh Advantage
The Longines HydroConquest collection has long been celebrated as the benchmark for high-performance Swiss dive watches. This specific 39mm variation strikes the perfect balance for modern collectors, offering a versatile case size that transitions seamlessly from ocean diving to formal wear.
What truly sets this version apart is the pairing of a vibrant sunray blue dial and matching unidirectional blue ceramic bezel with an engineered stainless steel mesh (Milanese) bracelet. The mesh bracelet elevates the classic dive watch silhouette, lending a sophisticated, retro-inspired aesthetic while remaining incredibly lightweight, breathable, and secure on the wrist.
Technical Specifications (Ref: L3.779.4.96.6 / L37794966)
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Brand: Longines
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Collection: HydroConquest 39mm Gents
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Model Reference: L3.779.4.96.6 (also searched as L37794966)
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Movement: Self-winding mechanical movement (Calibre L888)
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Power Reserve: Up to 72 hours
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Features: Monocrystalline silicon balance-spring for enhanced magnetic resistance
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Case Size: 39.00 mm diameter
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Case Thickness: Versatile, ergonomic 11.70 mm profile
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Case Material: Stainless steel with an ultra-scratch-resistant blue ceramic bezel insert
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Dial: Sunray polished blue with applied Arabic numerals and indexes (treated with Swiss Super-LumiNova® for low-light legibility)
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Glass: Scratch-resistant sapphire crystal with multi-layered anti-reflective coating on both sides
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Strap: Stainless steel mesh / Milanese bracelet with a secure folding safety clasp
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Water Resistance: 30 bar (300 metres / 1000 feet) featuring a screw-in crown and screw-down case back
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Warranty: Official Longines 5-Year International Guarantee
Frequently Asked Questions About This Watch
Why is the 39mm HydroConquest so popular compared to the 41mm or 43mm?
Watch collectors heavily favor the 39mm HydroConquest due to its refined proportions. At 11.7mm thick, it fits neatly under shirt cuffs, making it a highly wearable daily watch without losing its robust, 300-metre water-resistant dive watch capabilities.
Does this watch come with a valid manufacturer warranty?
As an official, long-standing authorized Longines retailer in the UK, every timepiece purchased from Deacon & Son comes in its original luxury presentation box, complete with all instruction manuals and an official stamped 5-Year Longines International Warranty.
We offer complimentary secure delivery to addresses in the UK.
For all online orders Deacons will arrange delivery of the goods in accordance with the delivery details provided by you. Delivery will be made by Royal Mail Special Next Day delivery requiring a signature on receipt. Please allow at least 3 - 5 working days from acceptance of your order for delivery. Please note that we can only deliver to UK addresses.
We hope you will love your purchase, but should you change your mind, a refund or exchange on online purchases can be requested within 14 days of receiving delivery. If you wish to return an item, it must be in its original unused condition and packaging.
Refunds will be provided against the original payment method or credit/debit card used to complete the purchase. If you wish to return your product, please use a secure return service with the appropriate insurance level and with full tracking, as you are responsible until this product is received. If your return is due to a damaged or defective product then we will refund the delivery charges and pay your costs of returning it to Deacons.
All returns must be sent to D&S Limited, 11-15 Wood Street, Old Town, Swindon, SN1 4AN
