Specifications
- Reference
- 6215-400-3A/02
- Family
- Blast
- Category
- Tool
- Status
- Current
- Case material
- Titanium
- Case diameter
- 45 mm
- Case thickness
- 16 mm Official
- Lug-to-lug
- —
- Lug width
- —
- Water resistance
- 30 m
- Bezel
- —
- Calibre
- UN-621 Official
- Power reserve
- 60 h
- Frequency
- 28,800 vph (4 Hz)
Official product page · retrieved October 20, 2026
Does it fit your wrist?
Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.
No lug-to-lug figure exists for this reference yet, so fit cannot be computed.
Measurements and sources
Brands rarely publish thickness, lug width and lug-to-lug together. Each observation below is kept separate, with who gave it.
Case thickness
| Value | Type | Source | Date |
|---|---|---|---|
| 16 mm | Official | Ulysse Nardin | October 20, 2026 |
Lug-to-lug
No source gave this figure yet.
Lug width
Lug width is the gap between the lugs, where the strap fits. It is not lug-to-lug.
No source gave this figure yet.
Calibre source
Official Ulysse Nardin · retrieved October 20, 2026
Other versions in the same case
These references differ only by dial, bracelet or bezel colour. The brand gives them the same case dimensions, so the figures on this page apply to them too.
- 6215-400/02 · alligator
Other Blast references
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Blast Tourbillon 45 mm 1723-400-3B/BLACK | 45 mm | 12.6 mm | — | UN-172 |
| Blast Free Wheel 45 mm 1760-401-3A/3A | 45 mm | 12.4 mm | — | UN-176 |
| Blast Tourbillon Free Wheel 44 mm 1766-176LE/AVE | 44 mm | 13.46 mm | — | UN-176 |
| Blast Amoureuxpeintre 42 mm 3713-260LE-9A-SEVER/0A | 42 mm | 10.17 mm | — | UN-371 |
| Blast Skeleton X 42 mm 3713-260-3/03 | 42 mm | 10.65 mm | — | UN-371 |
| Blast Dual Time 42 mm 243-20-3/43 | 42 mm | 10.05 mm | — | UN-24 |
Other Ulysse Nardin models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Freak Vision 45 mm 2503-250LE-2A-BQ/1A | 45 mm | 14 mm | — | UN-250 |
| Freak ONE Blue Enamel 44 mm 2403-500LE-3AE-BLUE/3A | 44 mm | 13.3 mm | — | UN-240 |
| UR-FREAK 44 mm 2413-500LE-2A-UR/3B | 44 mm | 13.77 mm | — | UN-241 |
| Super Freak 44 mm 2520-500LE-3A-BLUE/3A | 44 mm | 16.54 mm | — | UN-252 |
| Freak X 43 mm (13.38 mm high) 2303-270/00 | 43 mm | 13.38 mm | 49.4 mm | UN-230 |
| Freak X 43 mm (13.92 mm high) 2303-270-4A/1A | 43 mm | 13.92 mm | — | UN-230 |
Show 19 more
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Freak X Enamel 43 mm 2303-270LE-3AE-SED/3A | 43 mm | 13.78 mm | — | UN-230 |
| Freak X 41 mm 2323-500-3A/7A | 41 mm | 13.6 mm | — | UN-232 |
| Freak X Gold 41 mm 2322-500-2A/1A | 41 mm | 13.6 mm | — | UN-232 |
| Diver AIR 44 mm 3743-170-2A/0A | 44 mm | 14.76 mm | — | UN-374 |
| Diver X Cape Horn 44 mm 1183-170LE/92-CAP | 44 mm | 14.81 mm | 50.2 mm | — |
| Diver X Skeleton 44 mm 3723-170LE-2A-BLACK/3B | 44 mm | 15.7 mm | — | UN-372 |
| Diver 44 mm 1183-170-8A/0A | 44 mm | 14.81 mm | — | UN-118 |
| Diver Chronograph 44 mm 1503-170-2A/0A | 44 mm | 16.1 mm | — | UN-150 |
| Marine Torpilleur Annual Chronograph 44 mm 1533-320LE-0A-175/1A | 44 mm | 13.66 mm | — | — |
| Diver 42 mm 8163-175-7M/92 | 42 mm | 12.15 mm | 47.5 mm | UN-816 |
| Tellurium Johannes Kepler 43 mm 889-70 | 43 mm | 15 mm | — | UN-87 |
| Marine Torpilleur 42 mm 1183-310-3/43 | 42 mm | 11.1 mm | — | UN-118 |
| Marine Torpilleur Moonphase 42 mm 1193-310LE-0A-175/1A | 42 mm | 11.13 mm | — | — |
| Marine Torpilleur Tourbillon 42 mm 1283-310-0AE/1A | 42 mm | 11.93 mm | — | UN-128 Constant |
| Planetarium Copernicus 41 mm 839-70 | 41 mm | 13 mm | — | UN-80 |
| Classico 40 mm (10.2 mm high) 3202-136LE-9C-LIU/1A | 40 mm | 10.2 mm | — | UN-320 |
| Classico 40 mm (9.6 mm high) 8152-111LE-9E-OX/1A | 40 mm | 9.6 mm | — | UN-815 |
| Classico Manufacture 40 mm 3203-136-2/E0-42 | 40 mm | 10.2 mm | — | UN-320 |
| Classico Rat 40 mm 8152-111LE-2/RAT | 40 mm | 6.9 mm | — | — |