ULTRA‑CHRON
L2.836.4.52
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- 43 mm · stainless steel and sapphire
- Thickness
- 13.9 mm
- Water
- 300 m
- Bezel
- Unidirectional
- Calibre
- L836.6 · 52 h
- Dial
- Black
- Bracelet
- Bracelet

L2.836.4.52
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| Code | Variant | Dial | Bracelet or strap | Price | Status |
|---|---|---|---|---|---|
| 2 | — (default) | Black | Leather (Calf leather), brown | US$4,000 | — |
| 6 | — | Black | Bracelet | US$4,200 | — |
The Longines ULTRA‑CHRON L2.836.4.52 is a men's watch. It is in production. It has a 43 mm case, 13.9 mm thick and water-resistant to 300 m. It has a black dial with applied baton indices. It uses the automatic calibre L836.6, with a 52-hour power reserve. It is certified COSC. It comes on a stainless steel bracelet with a triple folding clasp.
Generated from the collected facts.
From US$4,000 across 2 priced configurations, listed under Variants.
From other collections and brands, ranked by recorded size, case metal, dial, bezel, water resistance, movement, bracelet, lume and power reserve.







| When (UTC) | Field | Change | By |
|---|---|---|---|
| 23 Oct 2026 17:39 | case_material | — → stainless_steel | Longines |
| 23 Oct 2026 15:45 | current_retail_amount | 4000 → 4200 | Longines |
| 23 Oct 2026 15:45 | weight_g | 108.1 → 172.1 | Longines |
| 23 Oct 2026 15:45 | clasp_type | pin_buckle → triple_folding | Longines |
| 23 Oct 2026 15:45 | bracelet_type | leather → bracelet | Longines |
| 23 Oct 2026 15:45 | bracelet_material | — → stainless_steel | Longines |
| 23 Oct 2026 15:45 | current_retail_amount | — → 4000 | Longines |
| 23 Oct 2026 15:45 | caliber_id | — → 613 | Longines |
| 23 Oct 2026 15:45 | weight_g | — → 108.1 | Longines |
| 23 Oct 2026 15:45 | water_resistance_m | — → 300 | Longines |
| 23 Oct 2026 15:45 | strap_color | — → brown | Longines |
| 23 Oct 2026 15:45 | production_status | unknown → in_production | Longines |
| 23 Oct 2026 15:45 | power_reserve_hours | — → 52 | Longines |
| 23 Oct 2026 15:45 | movement_type | — → automatic | Longines |
| 23 Oct 2026 15:45 | lume_type | — → super_luminova | Longines |
| 23 Oct 2026 15:45 | lug_width_mm | — → 22 | Longines |
| 23 Oct 2026 15:45 | lug_to_lug_mm | — → 49 | Longines |
| 23 Oct 2026 15:45 | indices_type | — → applied | Longines |
| 23 Oct 2026 15:45 | index_style | — → baton | Longines |
| 23 Oct 2026 15:45 | gender | — → men | Longines |
33 further observations were superseded, outvoted or are waiting for review.
Primary source: Longines (Official brand, trust 5 of 5)Review: AutoLast collected: 23 Oct 2026Last verified: —Family: L2.836