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Overview

Brand: Longines

Model: Hydroconquest

Reference: L3.788.4.96.6

Movement Type: Automatic

Movement: Longines Caliber L888.5

Case Width: 42mm

Lug Width: 21mm

Case Material: Stainless Steel

Crystal: Sapphire

Dial Colour: Blue

Water resistance: 300M

Bracelet/Strap: Bracelet

Bracelet Wrist Size: 22 cm

Condition: 9.5/10, Excellent unworn condition

Age: 2026

Box and Papers? Both

Add on an accessory:

Longines - 2026 Hydroconquest 42mm L3.788.4.96.6

SKU: 24911

Regular price $3,750.00 NZD
Unit price
NZDper 

Shipping

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Alternatively, Click & Collect is available at our store: 545 Watches, Level 1, 174 Cuba Street, Wellington City

CASE WIDTH: 42mm

CONDITION: Mint

BOX & PAPERS: Both

Photographs included are actual images of item for sale.

WHAT WE LOVE:

The Longines HydroConquest has been the brand's serious sport dive watch since 2003, and the current generation, updated in 2022 with a revised dial layout and further refined for 2026, is the most technically accomplished version the collection has produced. The L888 calibre family, which powers this reference, is Longines' own-developed answer to the ETA 2892 standard: a movement that incorporates a monocrystalline silicon balance spring for improved magnetic resistance and long-term rate stability, achieving COSC chronometer certification in its specification tier, with 72 hours of power reserve that leaves almost all comparable sport watches well behind.

The blue-on-blue configuration, polished lacquered blue dial against a blue ceramic unidirectional bezel, is the most coherent colour expression in the HydroConquest's current range. The ceramic bezel insert is scratch-resistant and colour-stable in a way that aluminium inserts are not, and the deep blue against the lacquered dial creates a cohesive tonal statement that is simultaneously refined and unmistakably purposeful. The scratch-resistant sapphire crystal with anti-reflective coating on both surfaces, the screw-in crown, and 300-metre water resistance confirm the technical specification. At 42mm on the full-width steel bracelet with its micro-adjustment folding clasp, this reads as the professional diver at exactly the right scale.

WHAT’S INSIDE:

Longines Calibre L888.5, self-winding automatic, 25,200 vph, monocrystalline silicon balance spring, COSC-level accuracy standard, 72-hour power reserve. Screw-in crown, 300 metres / 30 bar water resistance. 5-year Longines international warranty.

FIVEFORTYFIVE SIX MONTHS WARRANTY

Overview

Brand: Longines

Model: Hydroconquest

Reference: L3.788.4.96.6

Movement Type: Automatic

Movement: Longines Caliber L888.5

Case Width: 42mm

Lug Width: 21mm

Case Material: Stainless Steel

Crystal: Sapphire

Dial Colour: Blue

Water resistance: 300M

Bracelet/Strap: Bracelet

Bracelet Wrist Size: 22 cm

Condition: 9.5/10, Excellent unworn condition

Age: 2026

Box and Papers? Both

Add on an accessory: