Blast Tourbillon
1725-400-3A
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Own one? Join to add it to your box- Case
- 45 mm · Titanium / 18 ct gold
- Thickness
- 12.6 mm
- Water
- 50 m
- Calibre
- UN-172 · 72 h
- Dial
- Blue
- Bracelet
- Velvet rubber

1725-400-3A
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| Code | Variant | Dial | Bracelet or strap | Price | Status |
|---|---|---|---|---|---|
| 02 | — (default) | Black, grey and 5N, 12 indexes | Rubber, black | CHF 65,400 | — |
| 3A | — | Blue | Rubber (Velvet rubber), blue | CHF 65,400 | — |
The Ulysse Nardin Blast Tourbillon 1725-400-3A is in production. It has a 45 mm titanium case, 12.6 mm thick and water-resistant to 50 m. It has a blue dial. It uses the automatic calibre UN-172, with a 72-hour power reserve. Its functions include tourbillon. It comes on a rubber strap.
Generated from the collected facts.
From CHF 65,400 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 15:46 | strap_color | black → blue | Ulysse Nardin |
| 23 Oct 2026 15:46 | dial_color_detail | Black, grey and 5N, 12 indexes → Blue | Ulysse Nardin |
| 23 Oct 2026 15:46 | dial_color | black → blue | Ulysse Nardin |
| 23 Oct 2026 15:46 | strap_color | blue → black | Ulysse Nardin |
| 23 Oct 2026 15:46 | dial_color_detail | Blue → Black, grey and 5N, 12 indexes | Ulysse Nardin |
| 23 Oct 2026 15:46 | dial_color | blue → black | Ulysse Nardin |
| 23 Oct 2026 15:46 | strap_color | black → blue | Ulysse Nardin |
| 23 Oct 2026 15:46 | dial_color_detail | Black, grey and 5N, 12 indexes → Blue | Ulysse Nardin |
| 23 Oct 2026 15:46 | dial_color | black → blue | Ulysse Nardin |
| 23 Oct 2026 15:46 | current_retail_amount | — → 65400 | Ulysse Nardin |
| 23 Oct 2026 15:46 | caliber_id | — → 1386 | Ulysse Nardin |
| 23 Oct 2026 15:46 | weight_g | — → 127.23 | Ulysse Nardin |
| 23 Oct 2026 15:46 | water_resistance_m | — → 50 | Ulysse Nardin |
| 23 Oct 2026 15:46 | strap_color | — → black | Ulysse Nardin |
| 23 Oct 2026 15:46 | production_status | unknown → in_production | Ulysse Nardin |
| 23 Oct 2026 15:46 | power_reserve_hours | — → 72 | Ulysse Nardin |
| 23 Oct 2026 15:46 | movement_type | — → automatic | Ulysse Nardin |
| 23 Oct 2026 15:46 | jewels | — → 25 | Ulysse Nardin |
| 23 Oct 2026 15:46 | functions | [] → ["Skeletonized Movement","Tourb… | Ulysse Nardin |
| 23 Oct 2026 15:46 | frequency_vph | — → 18000 | Ulysse Nardin |
75 further observations were superseded, outvoted or are waiting for review.
Primary source: Ulysse Nardin (Official brand, trust 5 of 5)Review: AutoLast collected: 23 Oct 2026Last verified: —Family: 1725-400