Chicago lighthouse Black ATOMIC Contemporary Clock, 16.5" Overall Diameter, Black Case, 1 AA (sold separately)

Maintains its accuracy by automatically matching the National Bureau of Standards Atomic Clock in Boulder, Colorado and automatically setting itself to daylight-saving time. Changing of the hour hand saves maintenance labor in facilities with numerous clocks. Larger dial size makes it easier to tell time from a distance. Slimline design gives sleek, modern appearance. Display Type(s): Analog; Movement Type: Quartz; Time Format: Standard (12-Hour); Shape: Round.

Warranty	Manufacturer's limited one-year warranty.
Global Product Type	Wall Clocks
Clocks Display Type	Analog
Movement Type	Quartz
Time Format	Standard (12-Hour)
Shape	Round
Face Color(s)	White
Clocks Dial Diameter	14.5"
Lens Material/Technology	High-Impact Polystyrene
Hand/Digit Color(s)	Black
Minute Track/Display	Yes
Second Hand/Display	Yes
Second Hand Color(s)	Red
Case Color(s)	Black
Case Material	High-Impact Polystyrene
Overall Diameter	16.5"
Height	16.5"
Depth	1.8"
Width	16.5"
Power Source(s)	1 AA (sold separately)
Product Biodegradability Indicator	N
Product Biodegradability in Days	0
Product Compostability Indicator	N
Green Information	Contains a minimum of 18% total recycled content (case contains 30% post-consumer recycled content).
Disclaimer Statement	In steel structures, the Automatic Connection Signal employed to automatically set time may be blocked.