Longines Hydroconquest L3.769.3.96.7
Ref. L3.769.3.96.7 · Blue sandblasted dial · In production
- Case42 mm
- Thick11.3 mm
- Lug-to-lug51.2 mm
- Water res.300 m
- MovementQuartz
- CrystalSapphire
Longines Hydroconquest L3.769.3.96.7 size, specs and price at a glance
The Longines Hydroconquest L3.769.3.96.7 is 42 mm wide and 11.3 mm thick, with a lug-to-lug length of 51.2 mm. It takes 21 mm straps and ships on a bracelet. Inside is the L157.3 quartz calibre, water resistant to 300 m. US list price: $1,800 when we last checked longines.com (3 Nov 2026).
Strap shopping? See our Longines lug width chart.
Overview
The Longines L3.769.3.96.7 is a diver watch from the Conquest collection, part of the Hydroconquest family. It has a 42 mm stainless steel case, 11.3 mm thick, 51.2 mm from lug to lug. Longines lists the dial as blue sandblasted. Inside is a quartz movement (calibre L157.3). You also get 300 m water resistance, a sapphire crystal and a bracelet.
Who it suits
- Wrists of roughly 17.3–18.7 cm (6.8–7.4 in), by our Watch Finder sizing guide
- Swimming, snorkelling and diving
- Grab-and-go wear without winding or setting
Strengths
- Sapphire crystal resists scratches
- 300 m water resistance
- Screw-down crown helps keep water out
Trade-offs
- Long 51.2 mm lug-to-lug can overhang smaller wrists
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 42 mm | longines.com · 3 Nov 2026 |
|---|---|---|
| Thickness | 11.3 mm | longines.com · 3 Nov 2026 |
| Lug-to-lug | 51.2 mm | longines.com · 3 Nov 2026 |
| Case material | Stainless steel | longines.com · 3 Nov 2026 |
| Crystal | Sapphire | longines.com · 3 Nov 2026 |
| Bezel | Unidirectional rotating | longines.com · 3 Nov 2026 |
| Water resistance | 300 m | longines.com · 3 Nov 2026 |
| Screw-down crown | Yes | longines.com · 3 Nov 2026 |
| Weight | 162 g | longines.com · 3 Nov 2026 |
Dial
| Dial colour | Blue sandblasted | longines.com · 3 Nov 2026 |
|---|---|---|
| Date | Date | longines.com · 3 Nov 2026 |
Movement
| Movement type | Quartz | longines.com · 3 Nov 2026 |
|---|---|---|
| Calibre | L157.3 | longines.com · 3 Nov 2026 |
Strap / Bracelet
| Bracelet / strap | Bracelet | longines.com · 3 Nov 2026 |
|---|---|---|
| Lug width | 21 mm | longines.com · 3 Nov 2026 |
Other
| US list price (MSRP) | $1,800 | longines.com · 3 Nov 2026 |
|---|---|---|
| Production status | In production | longines.com · 3 Nov 2026 |
| Style (our classification) | Diver | our classification |
Specs are summarised in our own words from the brand's product page. Each row links its source and the date we checked it. Fields we haven't verified are left out rather than guessed.
Variants with the same specs
Same case, movement and bracelet or strap; typically a different dial or finish.
Longines Hydroconquest L3.769.3.56.7
Longines Hydroconquest L3.769.3.58.7
Longines Hydroconquest L3.769.3.98.7
Longines Hydroconquest L3.769.4.06.6
Longines Hydroconquest L3.769.4.56.6
Longines Hydroconquest L3.769.4.96.6
More in Hydroconquest
Longines Hydroconquest L3.369.3.12.7
Longines Hydroconquest L3.369.3.18.7
Longines Hydroconquest L3.369.3.87.7
Longines Hydroconquest L3.369.3.88.7
Longines Hydroconquest L3.369.4.09.6
Longines Hydroconquest L3.369.4.12.6
Similar alternatives
Picked with Watch Finder's style tags and sizing.
Questions about the Longines Hydroconquest L3.769.3.96.7
How big is the Longines Hydroconquest L3.769.3.96.7?
The case is 42 mm wide, 11.3 mm thick and 51.2 mm from lug to lug.
What movement does the Longines Hydroconquest L3.769.3.96.7 use?
It uses the L157.3 calibre, a quartz movement.
Can I swim with the Longines Hydroconquest L3.769.3.96.7?
Yes. It is rated to 300 m.
Does the Longines Hydroconquest L3.769.3.96.7 have a date?
Yes, it shows the date.
How much is the Longines Hydroconquest L3.769.3.96.7?
The US list price was $1,800 on longines.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Longines Hydroconquest L3.769.3.96.7 fit my wrist?
By our sizing guide it sits best on wrists of about 17.3–18.7 cm (6.8–7.4 in). Use the fit checker on this page to test your own wrist.
Watch.co is independent and not affiliated with any brand. Brand names are used only to identify products.