Longines Conquest Heritage L1.649.4.52.6
Ref. L1.649.4.52.6 · Black lacquered polished dial · In production · Longines label: Unisex
- Case38 mm
- Thick10.8 mm
- Lug-to-lug45.6 mm
- Water res.50 m
- MovementAutomatic
- CrystalSapphire
Longines Conquest Heritage L1.649.4.52.6 size, specs and price at a glance
The Longines Conquest Heritage L1.649.4.52.6 is 38 mm wide and 10.8 mm thick, with a lug-to-lug length of 45.6 mm. It takes 19 mm straps and ships on a bracelet. Inside is the L888.5 automatic calibre, water resistant to 50 m. US list price: $3,400 when we last checked longines.com (3 Nov 2026).
Strap shopping? See our Longines lug width chart.
Overview
The Longines L1.649.4.52.6 is an everyday watch from the Heritage collection, part of the Conquest Heritage family. It has a 38 mm stainless steel case, 10.8 mm thick, 45.6 mm from lug to lug. Longines lists the dial as black lacquered polished. Inside is an automatic movement (calibre L888.5) with 72 h of power reserve. You also get 50 m water resistance, a sapphire crystal and a bracelet.
Who it suits
- Wrists of roughly 15.4–17.0 cm (6.1–6.7 in), by our Watch Finder sizing guide
- Desk and dress wear (keep it away from swimming)
- Shirt cuffs and smarter dress codes
Strengths
- Sapphire crystal resists scratches
- 72 h power reserve survives a weekend off the wrist
- Slim at 10.8 mm
- Compact 45.6 mm lug-to-lug suits smaller wrists
Trade-offs
- Only 50 m water resistance: splash-proof, not for swimming
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 38 mm | longines.com · 3 Nov 2026 |
|---|---|---|
| Thickness | 10.8 mm | longines.com · 3 Nov 2026 |
| Lug-to-lug | 45.6 mm | longines.com · 3 Nov 2026 |
| Case material | Stainless steel | longines.com · 3 Nov 2026 |
| Crystal | Sapphire | longines.com · 3 Nov 2026 |
| Water resistance | 50 m | longines.com · 3 Nov 2026 |
| Weight | 125 g | longines.com · 3 Nov 2026 |
Dial
| Dial colour | Black lacquered polished | longines.com · 3 Nov 2026 |
|---|
Movement
| Movement type | Automatic | longines.com · 3 Nov 2026 |
|---|---|---|
| Calibre | L888.5 | longines.com · 3 Nov 2026 |
| Power reserve | 72 h | longines.com · 3 Nov 2026 |
Strap / Bracelet
| Bracelet / strap | Bracelet | longines.com · 3 Nov 2026 |
|---|---|---|
| Lug width | 19 mm | longines.com · 3 Nov 2026 |
Other
| US list price (MSRP) | $3,400 | longines.com · 3 Nov 2026 |
|---|---|---|
| Production status | In production | longines.com · 3 Nov 2026 |
| Style (our classification) | Everyday | 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.
More in Conquest Heritage
Longines Conquest Heritage L1.649.4.02.2
Longines Conquest Heritage L1.649.4.52.0
Longines Conquest Heritage L1.649.4.62.2
Longines Conquest Heritage L1.649.4.72.0
Longines Conquest Heritage L1.649.4.72.2
Longines Conquest Heritage L1.649.4.92.2
Similar alternatives
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Questions about the Longines Conquest Heritage L1.649.4.52.6
How big is the Longines Conquest Heritage L1.649.4.52.6?
The case is 38 mm wide, 10.8 mm thick and 45.6 mm from lug to lug.
What movement does the Longines Conquest Heritage L1.649.4.52.6 use?
It uses the L888.5 calibre, a automatic movement with 72 h of power reserve.
Can I swim with the Longines Conquest Heritage L1.649.4.52.6?
Not really. It is rated to 50 m.
How much is the Longines Conquest Heritage L1.649.4.52.6?
The US list price was $3,400 on longines.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Longines Conquest Heritage L1.649.4.52.6 fit my wrist?
By our sizing guide it sits best on wrists of about 15.4–17.0 cm (6.1–6.7 in). Use the fit checker on this page to test your own wrist.
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