L3.721.4.53
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| Code | Variant | Dial | Bracelet or strap | Price | Status |
|---|---|---|---|---|---|
| 2 | — (default) | Black (Black matt) | Leather (Calf leather), brown | US$5,350 | — |
| 6 | — | Black (Black matt) | Bracelet | US$5,550 | — |
The Longines LONGINES SPIRIT PILOT FLYBACK L3.721.4.53 is in production. It has a 39.5 mm stainless steel case, 13.4 mm thick and water-resistant to 100 m. It has a black matte dial with applied Arabic numerals. It uses the hand-wound calibre L792.4, with a 68-hour power reserve. It is certified COSC. Its functions include chronograph, flyback chronograph and small seconds. It comes on a stainless steel bracelet with a folding clasp.
Generated from the collected facts.
From US$5,350 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 15:45 | current_retail_amount | 5350 → 5550 | Longines |
| 23 Oct 2026 15:45 | weight_g | 103 → 155 | 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 | — → 5350 | Longines |
| 23 Oct 2026 15:45 | caliber_id | — → 625 | Longines |
| 23 Oct 2026 15:45 | weight_g | — → 103 | Longines |
| 23 Oct 2026 15:45 | water_resistance_m | — → 100 | 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 | — → 68 | Longines |
| 23 Oct 2026 15:45 | movement_type | — → manual | Longines |
| 23 Oct 2026 15:45 | lume_type | — → super_luminova | Longines |
| 23 Oct 2026 15:45 | lug_width_mm | — → 20 | Longines |
| 23 Oct 2026 15:45 | lug_to_lug_mm | — → 47.4 | Longines |
| 23 Oct 2026 15:45 | indices_type | — → applied | Longines |
| 23 Oct 2026 15:45 | index_style | — → arabic | Longines |
| 23 Oct 2026 15:45 | gender | — → unisex | Longines |
| 23 Oct 2026 15:45 | functions | [] → ["Hours, minutes, small seconds… | Longines |
| 23 Oct 2026 15:45 | frequency_vph | — → 28800 | Longines |
35 further observations were superseded, outvoted or are waiting for review.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: L3.721