La Chaux-de-Fonds, Switzerland
Arnold & Son
Swiss maker in La Chaux-de-Fonds named after the 18th-century English chronometer maker John Arnold, known for its tourbillons and astronomical displays.
In Horlobase, Arnold & Son cases run from 38 to 45 mm across, half of them between 41.5 and 42 mm. The thinnest is the HM London Skyline (7.82 mm), the thickest the Globetrotter 45 (17.26 mm).
Coverage so far
0 of 21 references have at least one lug-to-lug figure; the brand itself publishes one for 0.
Arnold & Son references
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Constant Force Tourbillon 11 1FCBX.Z01A.C0232X | 41.5 mm | 13.7 mm | — | A&S5219 |
| 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 |
| Globetrotter 45 1WTAS.S02C.C155S | 45 mm | 17.26 mm | — | A&S6022 |
| Globetrotter 42 1WTBS.F01A.C1242S | 42 mm | 15.1 mm | — | — |
| HM London Skyline 1LCDS.M03A.C0704S | 39.5 mm | 7.82 mm | — | A&S1001 |
| Longitude 1LTAT.F01A.N001U | 42.5 mm | 12.25 mm | — | A&S6302 |
| Luna Magna 1LMAS.T01A.C1322D | 44 mm | 15.9 mm | — | A&S1021 |
| Nebula 41.5 1NEAR.S01B.C179A | 41.5 mm | 8.73 mm | — | A&S5201 |
| Nebula 38 1NECS.B03A.C180A | 38 mm | 8.73 mm | — | A&S5201 |
| Nebula 40 1NEGS.B01A.S135D | 40 mm | 9.1 mm | — | A&S5201 |
| Perpetual Moon 38 1GLBR.A01A.C282A | 38 mm | 10.44 mm | — | A&S1612 |
| Perpetual Moon 41.5 (red gold, 11.3 mm thick) 1GLBR.N01A.C0246A | 41.5 mm | 11.3 mm | — | A&S1512 |
| Perpetual Moon 41.5 (steel) 1GLBS.M01A.C1242S | 41.5 mm | 11.3 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 1GLBX.Z03A.C1479X | 41.5 mm | 11.67 mm | — | A&S1512 |
| Time Pyramid 42.5 1TPER.F01A.C1250A | 42.5 mm | 10.72 mm | — | A&S1615 |
| Ultrathin Tourbillon (red gold, 42 mm) 1UTAR.Z01A.C156A | 42 mm | 8.6 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 |
| Ultrathin Tourbillon (platinum) 1UTBX.F01A.C208A | 41.5 mm | 8.3 mm | — | — |
Calibres used by Arnold & Son
| Calibre | Power reserve | Frequency | Used in |
|---|---|---|---|
| A&S1001 | 90 h | 21,600 vph (3 Hz) | 1 |
| A&S1021 | 90 h | 21,600 vph (3 Hz) | 1 |
| A&S1512 | 90 h | 21,600 vph (3 Hz) | 4 |
| A&S1612 | 90 h | 21,600 vph (3 Hz) | 1 |
| A&S1615 | 90 h | 21,600 vph (3 Hz) | 1 |
| A&S5201 | 90 h | 21,600 vph (3 Hz) | 3 |
| A&S5219 | 100 h | 21,600 vph (3 Hz) | 1 |
| A&S6022 | 45 h | 28,800 vph (4 Hz) | 1 |
| A&S6203 | 55 h | 28,800 vph (4 Hz) | 1 |
| A&S6302 | 60 h | 28,800 vph (4 Hz) | 1 |
| A&S6303 | 55 h | 28,800 vph (4 Hz) | 1 |
| A&S8300 | 100 h | 21,600 vph (3 Hz) | 1 |
| A&S8320 | 100 h | 21,600 vph (3 Hz) | 1 |
About Arnold & Son
John Arnold, an 18th-century London chronometer maker, supplied marine chronometers to the Royal Navy and to Captain Cook. The brand bearing his name was revived in Switzerland in 1995.
It has belonged to the Citizen group since 2012 and shares its workshops with the movement maker La Joux-Perret in La Chaux-de-Fonds.