Models
| Ref. | Model |
|---|---|
| 31229 | 4.5″ clock |
| 31230 | 4.5″ barometer |
| 31231 | 4.5″ thermometerhygrometer |
Front facia Ø : 10 cm.
Base Ø : 14 cm.
Barometers : high sensitivity aneroid barometers, with an entirely metallic chain.
Clocks : quartz mechanism. Bevelled glass edge.
