Description
3 Inch Clock with Alarm and Silent Zones
Features the 4 silent zones to indicate that for 3 minutes after the hour, the half hour and each quarter, radio silence should be maintained in order that any distress calls can clearly be heard by the emergency services.
- Solid brass case
- Bevelled glass edge
- Quartz mechanism
- Front facia diameter: 7.5cm
- Base diameter: 12cm
