Reference
Longines Ultra-Chron Carbon L2.839.4.52.2
The Longines Ultra-Chron Carbon L2.839.4.52.2 was introduced in 2024. This version of the Ultra-Chron features a forged carbon case with a titanium bezel, case back, and crown. The bezel is fixed, non-rotating, and features an aluminium insert.
| Reference | L2.839.4.52.2 |
|---|---|
| Collection | Heritage |
| Case diameter | 43 mm |
| Case material | Titanium, Aluminium, Forged Carbon |
| Bezel | Fixed, 0-60 |
| Case shape | Cushion |
| Case back | Closed |
| Lug width | 22.00 mm mm |
| Movement | Longines caliber L836 |
| Water resistance | 30 m |
| Dial colour | Black |
| Dial finish | Matte |
| Indexes | Stick / Dot |
| Hands | Stick |
| Crystal | Sapphire |
| Year introduced | 2024 |
| Limited edition | Yes |
This is a reference-catalog entry for the Longines Ultra-Chron Carbon L2.839.4.52.2. WatchFlow's Watch Library lets a dealer attach a reference like this to a piece of stock in one click, so the brand, reference and specs are filled in automatically instead of retyped — then that record drives listings, invoices and reports. See how it fits the wider watch inventory management workflow.
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