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Echelon Timepieces LLC
Echelon Timepieces LLC
Inventory
Sell Us Your Watch
Watch Services
Inventory
Sell Us Your Watch
Watch Services
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Inventory › 2026 Longines HydroConquest 42mm Black Dial / Blue Ceramic Bezel L3.788.4.90.6

2026 Longines HydroConquest 42mm Black Dial / Blue Ceramic Bezel L3.788.4.90.6

$2,350.00

L3.788.4.90.6 • 42mm Stainless Steel • Black Dial • Blue Ceramic Bezel • Milanese Mesh Bracelet • Full Set

OVERVIEW

Offered for sale is a 2026 Longines HydroConquest 42mm, reference L3.788.4.90.6, from the updated HydroConquest collection.

This configuration features a 42mm stainless-steel case, polished black dial, and a striking blue ceramic unidirectional diving bezel. The watch is paired with Longines’ stainless-steel Milanese mesh bracelet, giving the HydroConquest a cleaner and more contemporary look while retaining its purpose-built dive-watch construction.

Powering the watch is the Longines Calibre L888.5 automatic movement, featuring a silicon balance spring and approximately 72 hours of power reserve. The watch is rated to 300 meters / 30 bar of water resistance and features a screw-down crown, screw-down caseback, and sapphire crystal with anti-reflective treatment.

The dial is fitted with applied hour markers and hands treated with Super-LumiNova, along with a date display at 3 o’clock. The Milanese bracelet is finished with a double-folding safety clasp and micro-adjustment system.

WATCH DETAILS

  • Brand: Longines

  • Model: HydroConquest

  • Reference: L3.788.4.90.6

  • Year: 2026

  • Case Size: 42mm

  • Case Material: Stainless Steel

  • Dial: Black Lacquered

  • Bezel: Blue Ceramic, Unidirectional

  • Bracelet: Stainless-Steel Milanese Mesh

  • Movement: Longines Calibre L888.5 Automatic

  • Power Reserve: Approximately 72 Hours

  • Crystal: Sapphire Crystal

  • Water Resistance: 300m / 30 Bar

  • Functions: Hours, Minutes, Seconds & Date

  • Scope of Delivery: Full Set

CONDITION

This example is offered in Pre-Owned Condition and comes as a full set. Please refer closely to the photographs for the exact cosmetic condition of the watch and everything included.

AUTHENTICITY

Every watch offered by Echelon Timepieces LLC is carefully inspected and guaranteed authentic.

Echelon Timepieces LLC
Lancaster, Pennsylvania
Fully insured nationwide shipping available.

L3.788.4.90.6 • 42mm Stainless Steel • Black Dial • Blue Ceramic Bezel • Milanese Mesh Bracelet • Full Set

OVERVIEW

Offered for sale is a 2026 Longines HydroConquest 42mm, reference L3.788.4.90.6, from the updated HydroConquest collection.

This configuration features a 42mm stainless-steel case, polished black dial, and a striking blue ceramic unidirectional diving bezel. The watch is paired with Longines’ stainless-steel Milanese mesh bracelet, giving the HydroConquest a cleaner and more contemporary look while retaining its purpose-built dive-watch construction.

Powering the watch is the Longines Calibre L888.5 automatic movement, featuring a silicon balance spring and approximately 72 hours of power reserve. The watch is rated to 300 meters / 30 bar of water resistance and features a screw-down crown, screw-down caseback, and sapphire crystal with anti-reflective treatment.

The dial is fitted with applied hour markers and hands treated with Super-LumiNova, along with a date display at 3 o’clock. The Milanese bracelet is finished with a double-folding safety clasp and micro-adjustment system.

WATCH DETAILS

  • Brand: Longines

  • Model: HydroConquest

  • Reference: L3.788.4.90.6

  • Year: 2026

  • Case Size: 42mm

  • Case Material: Stainless Steel

  • Dial: Black Lacquered

  • Bezel: Blue Ceramic, Unidirectional

  • Bracelet: Stainless-Steel Milanese Mesh

  • Movement: Longines Calibre L888.5 Automatic

  • Power Reserve: Approximately 72 Hours

  • Crystal: Sapphire Crystal

  • Water Resistance: 300m / 30 Bar

  • Functions: Hours, Minutes, Seconds & Date

  • Scope of Delivery: Full Set

CONDITION

This example is offered in Pre-Owned Condition and comes as a full set. Please refer closely to the photographs for the exact cosmetic condition of the watch and everything included.

AUTHENTICITY

Every watch offered by Echelon Timepieces LLC is carefully inspected and guaranteed authentic.

Echelon Timepieces LLC
Lancaster, Pennsylvania
Fully insured nationwide shipping available.

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