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Model CK-1 LED Digital Desk Clock with Seconds Display
12 or 24 Hour Clock / Military Time - GMT - UTC
( We also have other LED Digital Clocks - Click Here )
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Our
Model
CK-1 Digital Desk Clock
is designed for those who take time seriously! Its
six digit LED display, with seconds readout,
provides a unique and rare capability not found on
most LED clocks. Switch selectable 12 or 24 Hour
Clock formats adds to its unique versatility. The
CK-1 offers great accuracy, high readability,
superb reliability, and attractive design. For
precision timekeeping, the CK-1 is the perfect
choice!

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Six digit LED readout displays Hours, Minutes, and
Seconds for precision timekeeping
capability
Large and bright 0.56 inch red LED display is
easily readable in any lighting condition- no more
squinting!
Dimmer switch for brightness control
Selectable 12 or 24 Hour Clock display modes -
great for use as a digital military time
clock.
U.L. listed 9 VAC wall adapter included
60 Hz. AC line frequency time base provides high
reliability and accuracy.
60 Hz. crystal time base battery back up keeps
accurate time during power interruptions. Never
miss a second!
Precision molded high quality ABS
enclosure
Size: 5.0 X 1.5 X 5.25 Inches (L X H X
D)
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The
CK-1 is EnergyStar and CEC compliant for energy
efficiency!![]()
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CK-1 with UTC Front Panel
Label "Coordinated Universal
Time" CK-1 with PLAIN
PANEL

Two Case Colors Available: Choose Black
or PC Bone Grey
Two Front Panels Available: Choose UTC or
Plain Panel
Please specify case color and panel type
when you order.
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OUR CLOCKS & TIMERS ARE IN USE BY:
Our clocks
and timers are PROUDLY on board these US Navy Warships: USS
Princeton, USS Antietam, USS McCain, USS Taylor, USS
Gladiator, USS Elrod, and USS Abraham Lincoln.
NASA
JET PROPULSION LABORATORY (JPL), MARSHALL SPACE FLIGHT
CENTER, STENNIS SPACE CENTER
LOS
ALAMOS NATIONAL LABORATORY
FUSION
RESEARCH CENTER, AUSTIN TEXAS
U.S.
NAVAL STRIKE & AIR WARFARE CENTER (Top
Gun)
U.S.
DEPARTMENT OF DEFENSE
U.S.
AIR FORCE - U.S. ARMY - U.S. NAVY -
U.S. MARINE CORPS - U.S. COAST
GUARD
U.S.
DEPARTMENT OF ENERGY
U.S.
DEPARTMENT OF JUSTICE: Federal Bureau of
Prisons
U.S.
STATE DEPARTMENT
U.S.
DEPARTMENT OF TRANSPORTATION: The FAA - Federal Aviation
Administration
U.S.
DIPLOMATIC SERVICE
U.S.
POSTAL SERVICE
STATE
& LOCAL GOVERNMENT: Fire, Police, EMS, Schools,
Hospitals, etc... Major Cities: New York (MTA- Metropolitan
Transit Authority), San Diego, Phoenix, Denver, Minneapolis,
Nashville, and many others.
RADIO
STATIONS, TV STATIONS, & NEWSPAPERS ACROSS AMERICA &
CANADA
HOSPITALS
& MEDICAL FACILITIES ACROSS AMERICA &
CANADA
UNIVERSITIES:
Harvard, M.I.T., Cal Tech, Westpoint U.S. Military
Academy, US Air Force Academy, UC Berkeley, Georgia Tech,
University of Texas, Brooks Institute of Photography, Azusa
Pacific University, Universtiy of Louisville, Oklahoma State
University, Cal State Los Angeles, Fresno State, University
of Florida, University of Alberta, and many other colleges
across America.
MAJOR
CORPORATIONS: MicroSoft, Eastman Kodak, Walt Disney
Company, American Airlines, Home Depot, UPS, Ford Motor Co.,
Honda Motor Co., Intel, BF Goodrich, Fox Television,
Lockheed Martin, Target Stores, Chevron-Texaco,Teledyne
Technologies, Philips Electronics, AOL Time Warner,
Consolidated Edison, Tenet Health Care Corporation, CBS-TV,
Thiokol Propulsion, Eli Lilly & Co., Avery Dennison,
Pacific Gas & Electric (PG&E), Intuit Software,
Cablevision, Continental Motors, Pella Corporation,
Interlogix, Telus Communications, Invesco Funds Group,
Fidelity Investments, Lehman Brothers, Nissan Motors, Toyota
Auto Corp., Fisher Scientific, Monster Cable Products,
SeaWorld (San Diego), Wyeth Phamaceuticals (American Home
Products), BankOne, Raytheon, Delphi, Abbott Laboratories,
Bell Canada, Eureka Housewares, Kaiser Permanente, Cardinal
Health Care, Partners Healthcare, Tektronics, Sprint,
Bechtel Corporation, Halliburton, Duke Energy, Pratt &
Whitney, Siemens-Westinghouse, Honeywell, W Hotels, Johnson
& Johnson, and many other large and small
companies.
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MODEL
CK-1 LED Digital 12 or 24 Hour
Clock :
0.56 Inch LED display.
MODEL
CK-1000 Six Digit LED Large Digital
Clock:
Large 2.50 Inch LED display.
MODEL
CK-2 LED Dual Time Zone
Clock:
0.560 Inch dual LED display, six digits.
MODEL
CK-3 Digital Count Up and Countdown Clock
Timer:
0.56 Inch LED Display, Six Digits.
MODEL
CK-3000 Large Digital Count Up and Countdown Clock
Timer:
2.50 Inch LED Display, Six Digits.
MODEL
CK-350 Large Digital Simple Count Up
Clock:
2.50 Inch LED Display, Six Digits.
MODEL
CK-4000 Large Display Digital
Stopwatch:
2.50 Inch Display: Minutes, Seconds, & Hundredths of
Seconds.
MODEL
CK-5000 Large Display Countdown
Clock:
2.30 inch Display shows DAYS, Hours, Minutes,
& Seconds.
MODEL
CK-6 Digital Day Counter
Clock:
0.56 inch Display shows DAYS, Hours, &
Minutes.
MODEL
BC-10 Binary Clock:
A great conversation piece! Interesting LED display
generates 1000's of patterns!
MODEL
BC-4 Time Beacon Clock:
An unusaully attractive & unique single digit LED
clock design.
MODEL
BC-1 Kit Cat Clock:
The classic cat clock design from the 1930's still going
strong today.
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24 HOUR SECURE ONLINE ORDERING: CLICK HERE
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