Specifications
- Reference
- 1NEGS.B01A.S135D
- Family
- Nebula
- Category
- Classic
- Status
- Current
- Case material
- Stainless steel
- Case diameter
- 40 mm
- Case thickness
- 9.1 mm Official
- Lug-to-lug
- —
- Lug width
- —
- Water resistance
- 30 m
- Bezel
- —
- Calibre
- A&S5201 Official
- Power reserve
- 90 h
- Frequency
- 21,600 vph (3 Hz)
Official product page · retrieved October 24, 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 |
|---|---|---|---|
| 9.1 mm | Official | Arnold & Son | October 24, 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 Arnold & Son · retrieved October 24, 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.
- 1NEGS.B02A.K003S
- 1NEGS.B03A.C169S
- 1NEGS.H01A.S135D
- 1NEGS.R01A.S1357D · “Ahmed Seddiqi 75th Anniversary Edition”
- 1NEGS.U01A.C1235S
- 1NEGS.U01A.K0243S
- 1NEGS.U01A.S135D
Other Nebula references
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Nebula 38 1NECS.B03A.C180A | 38 mm | 8.73 mm | — | A&S5201 |
| Nebula 41.5 1NEAR.S01B.C179A | 41.5 mm | 8.73 mm | — | A&S5201 |
Other Arnold & Son models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| HM London Skyline 1LCDS.M03A.C0704S | 39.5 mm | 7.82 mm | — | A&S1001 |
| Perpetual Moon 41.5 (steel) 1GLBS.M01A.C1242S | 41.5 mm | 11.3 mm | — | A&S1512 |
| Constant Force Tourbillon 11 1FCBX.Z01A.C0232X | 41.5 mm | 13.7 mm | — | A&S5219 |
| Perpetual Moon 41.5 1GLBX.Z03A.C1479X | 41.5 mm | 11.67 mm | — | A&S1512 |
| Perpetual Moon 41.5 (platinum, 11.3 mm thick) 1GLBX.F01A.C285X | 41.5 mm | 11.3 mm | — | A&S1512 |
| Perpetual Moon 41.5 (red gold, 11.3 mm thick) 1GLBR.N01A.C0246A | 41.5 mm | 11.3 mm | — | A&S1512 |
Show 12 more
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Ultrathin Tourbillon (platinum) 1UTBX.F01A.C208A | 41.5 mm | 8.3 mm | — | — |
| Ultrathin Tourbillon (red gold, 41.5 mm) 1UTBR.I01A.C246R | 41.5 mm | 8.3 mm | — | A&S8300 |
| Ultrathin Tourbillon Skeleton 1UTBR.Z01A.C246R | 41.5 mm | 8.4 mm | — | A&S8320 |
| DSTB 42 1ATCR.F01A.C1242A | 42 mm | 12.95 mm | — | A&S6203 |
| DSTB Stop-Seconds 1ATCR.N01A.C0246A | 42 mm | 12.95 mm | — | A&S6303 |
| Perpetual Moon 38 1GLBR.A01A.C282A | 38 mm | 10.44 mm | — | A&S1612 |
| Ultrathin Tourbillon (red gold, 42 mm) 1UTAR.Z01A.C156A | 42 mm | 8.6 mm | — | — |
| Longitude 1LTAT.F01A.N001U | 42.5 mm | 12.25 mm | — | A&S6302 |
| Time Pyramid 42.5 1TPER.F01A.C1250A | 42.5 mm | 10.72 mm | — | A&S1615 |
| Luna Magna 1LMAS.T01A.C1322D | 44 mm | 15.9 mm | — | A&S1021 |
| Globetrotter 42 1WTBS.F01A.C1242S | 42 mm | 15.1 mm | — | — |
| Globetrotter 45 1WTAS.S02C.C155S | 45 mm | 17.26 mm | — | A&S6022 |