Longines Ultra‑Chron Carbon L2.839.4.52.2
Ref. L2.839.4.52.2 · Anthracite dial · In production
- Case43 mm
- Thick14 mm
- Lug-to-lug48.9 mm
- Water res.300 m
- MovementAutomatic
- CrystalSapphire
Longines Ultra‑Chron Carbon L2.839.4.52.2 size, specs and price at a glance
The Longines Ultra‑Chron Carbon L2.839.4.52.2 is 43 mm wide and 14 mm thick, with a lug-to-lug length of 48.9 mm. It takes 22 mm straps and ships on a nylon strap. Inside is the L836.6 automatic calibre, water resistant to 300 m. US list price: $5,550 when we last checked longines.com (3 Nov 2026).
Strap shopping? See our Longines lug width chart.
Overview
The Longines L2.839.4.52.2 is a sports watch from the Heritage collection, part of the Ultra‑Chron Carbon family. It has a 43 mm titanium case, 14 mm thick, 48.9 mm from lug to lug. Longines lists the dial as anthracite. Inside is an automatic movement (calibre L836.6) with 52 h of power reserve. You also get 300 m water resistance, a sapphire crystal and a nylon strap.
Who it suits
- Wrists of roughly 17.2–19.1 cm (6.8–7.5 in), by our Watch Finder sizing guide
- Swimming, snorkelling and diving
Strengths
- Sapphire crystal resists scratches
- 300 m water resistance
- Screw-down crown helps keep water out
- Light at 67 g
Trade-offs
- Thick at 14 mm: harder to slide under a cuff
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 43 mm | longines.com · 3 Nov 2026 |
|---|---|---|
| Thickness | 14 mm | longines.com · 3 Nov 2026 |
| Lug-to-lug | 48.9 mm | longines.com · 3 Nov 2026 |
| Case material | Titanium | longines.com · 3 Nov 2026 |
| Crystal | Sapphire | longines.com · 3 Nov 2026 |
| Water resistance | 300 m | longines.com · 3 Nov 2026 |
| Screw-down crown | Yes | longines.com · 3 Nov 2026 |
| Weight | 67 g | longines.com · 3 Nov 2026 |
Dial
| Dial colour | Anthracite | longines.com · 3 Nov 2026 |
|---|
Movement
| Movement type | Automatic | longines.com · 3 Nov 2026 |
|---|---|---|
| Calibre | L836.6 | longines.com · 3 Nov 2026 |
| Power reserve | 52 h | longines.com · 3 Nov 2026 |
Strap / Bracelet
| Bracelet / strap | Nylon strap | longines.com · 3 Nov 2026 |
|---|---|---|
| Lug width | 22 mm | longines.com · 3 Nov 2026 |
Other
| US list price (MSRP) | $5,550 | longines.com · 3 Nov 2026 |
|---|---|---|
| Production status | In production | longines.com · 3 Nov 2026 |
| Style (our classification) | Sports | 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.
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Questions about the Longines Ultra‑Chron Carbon L2.839.4.52.2
How big is the Longines Ultra‑Chron Carbon L2.839.4.52.2?
The case is 43 mm wide, 14 mm thick and 48.9 mm from lug to lug.
What movement does the Longines Ultra‑Chron Carbon L2.839.4.52.2 use?
It uses the L836.6 calibre, a automatic movement with 52 h of power reserve.
Can I swim with the Longines Ultra‑Chron Carbon L2.839.4.52.2?
Yes. It is rated to 300 m.
How much is the Longines Ultra‑Chron Carbon L2.839.4.52.2?
The US list price was $5,550 on longines.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Longines Ultra‑Chron Carbon L2.839.4.52.2 fit my wrist?
By our sizing guide it sits best on wrists of about 17.2–19.1 cm (6.8–7.5 in). Use the fit checker on this page to test your own wrist.
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