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La Crosse Technology

La Crosse Technology 404-1235UA-SS 14 Inch UltrAtomic Analog Stainless Steel Wall Clock

  • Based on 1,530 reviews
Condition: New
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$49.95 Why this price?
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Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, Jul 7
Order within 15 hours and 29 minutes
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Style: Clock


Features

  • Receives WWVB time signal in buildings, where no other Atomic clock can
  • Enhanced Reception with Dual Antennas; Excellent for schools, hospitals, and commercial buildings
  • World time zone clock Set to any Time Zone around the World!
  • 5 year battery life. Q-mode (Quartz mode) for manual time setting. Low power detection indicator
  • Stainless steel framework

Description

The UltrAtomic wall clock features the most accurate atomic movement on the market. Similar to the traditional atomic clocks, this clock automatically adjusts to the current time and updates automatically for daylight saving time twice a year. However, this particular clock is equipped with two antennas, enhancing the reception allowing it to synchronize in the nosiest and hostile electronic environments such as busy office buildings, hospitals, or other institutions. The extra antenna increases signal reliability and penetration. The movement features 2 additional battery compartments (optional use) that allows the clock to run longer & extending battery life. It also features a battery saving option, pausing the secondhand over night time hours and keep it running years longer before you need to replace the batteries.

Brand: La Crosse Technology


Color: Silver


Display Type: Analog


Style: Clock


Special Feature: Atomic, Daylight Saving, Multiple Time Zone


Product Dimensions: 14"W x 14"H


Power Source: Battery Powered


Age Range (Description): Adult


Room Type: Office


Shape: Round


Display Type: Analog


Special Feature: Atomic, Daylight Saving, Multiple Time Zone


Power Source: Battery Powered


Room Type: Office


Are Batteries Included: No


Mounting Type: Wall Mount


Number of Batteries: 2 C batteries required.


Alarm Clock: No


Watch Movement: Atomic Time


Operation Mode: Atomic


Color: Silver


Style: Clock


Shape: Round


Theme: Buildings


Brand: La Crosse Technology


Age Range (Description): Adult


Target Gender: Unisex


Number of Items: 1


Material: Stainless Steel


Frame Material: Stainless Steel


Product Dimensions: 14"W x 14"H


Item Weight: 3.2 Pounds


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Jul 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Wait until it gets dark for the signal to get received
Style: Clock
When I got the clock, it did not immediately get it's time from NIST. I took it outside and that did not help. I became dejected and was thinking of returning it when I read that getting the NIST signal at night worked better than during the day. So I left the clock by a window facing west (I am on the East coast) towards Fort Collings and by early evening when it was mostly dark outside, the clock was working. This needs to be better documented in the small manual that comes with the clock. ... show more
Reviewed in the United States on November 10, 2023 by Claudio
    • So beautiful and so easy
Style: Clock
As a long time technophobe I hesitated buying an atomic clock for my kitchen It is so clean and neat in style and took me less than 5 minutes to set up. And I didn't have to call my daughter once. Love it!
Reviewed in the United States on November 11, 2023 by MeganM
    • but I love the clock
Style: Clock
Review Image by sd sd
Review Image by sd sd
Review Image by sd sd
Review Image by sd sd
Review Image by sd sd
My wife hates the aesthetics, but I love the clock. I'm a form follows function guy. In my perception, the primary purpose of a clock to reliably display accurate time, which the La Crosse 404-1235UA clock does. One of the things I like about this clock is the robust electro-mechanical drive mechanism. Many large analog clocks are underpowered by a single AA battery and start losing time when the battery voltage drops just a little from a new voltage near 1.6V (nominal loaded voltage of a new Alkaline battery is 1.5V, but unloaded open circuit it is higher) to the mid 1.4s, which is still good enough for a flashlight, but not enough oomph to drive a large dial analog clock. This clock uses 2 larger capacity C size batteries in series so the voltage is double (1.5x2=3 volts), and you can optionally add another pair in parallel for more amp hours (a bigger tank of the same pressure). Setup was simple. I live on the coast in the Pacific Time zone at the base of a mountain range that obstructs our line toward the transmitting station in Colorado. The clock's default time zone is PT, so I didn't need to change any of the default settings. Simply put in new batteries and hung the clock on an interior wall downstairs, not near any windows. When the battery connection was made, the clock mechanism cranked around to 4 PM. About 5 minutes later (after hanging the clock on the wall) it cranked again to the correct time within a second of another La Crosse RCC (radio controlled clock) that I have nearby. I couple of comments on some of the earlier reviews (I read all 6 of them prior to purchase). My clock purchased from Amazon in October 2016 doesn't have the battery compartment issue or the wall standoff gap mentioned in other reviews. The batteries fit snug and the clock sits flush against the wall. Perhaps La Crosse updated the design? I do concur with accurate and descriptive comments about audible "ticking", so you wouldn't want it in your bedroom, but the ticking is minor and not an issue in our dining room. I've had several RCC clocks in the past. The newer ones seem to be more reliable than the models I tried in the 90s. I think the LCD models have an advantage in that they don't need a power-hungry mechanical drive mechanism, but I needed to replace a round analog clock in a prominent location. I did some research and discovered the new Phase Shift Modulation ( NIST aka PM or BPSK ~ Binary-Phase-Shift-Keying) technology, which NIST began transmitting in 2012. My understanding is that PM (or PSK) it somewhat comparable to RS-485 vs RS-232. The phase inversion results in a "differential" signal that is more robust than simple amplitude modulation (AM). PSK is now utilized in many binary radio standards like Bluetooth and Wireless LAN. Sounds good, unfortunately after an extensive web search, this is the only PM clock I found for sale. Fortunately, the La Crosse 404-1235UA clock is well built and seems to be robust. Update, August 2018, about 2 years after my initial 10/2016 purchase: My La Crosse 404-1235UA clock(s) have continued to perform flawlessly. Out of curiosity, I checked the battery voltage. After 22 months of operation each of the 4 Rayovac C cell batteries is reading 1.40 volts. I also purchased a 2nd clock about a year ago, and after 13 months of operation, its Duracell Procell batteries are measuring 1.48 volts. The reason I’m updating my comments is because one of my smaller analog clocks stopped working (not one of the clocks in this review), and since the La Crosse 404-1235UA clocks (I now have 2 of them) have easily been the best clocks I’ve ever owned, I wanted to get something similar, but smaller. I thought by now the market would be dominated by the newer more robust phase shift modulation (PM, or BPSK) signal compared to the legacy pulse width modulation (PWM, based on an amplitude modulation (AM) signal), however the La Crosse 404-1235UA clock is still the only device I can find (at consumer retail pricing) that advertises utilization of the newer PM signaling. The newer PM / BPSK format began broadcasting in 2012. In addition to my newer La Crosse 404-1235UA clocks, I also have a La-Crosse digital clock that as been performing flawlessly for about 5 years, and I think it uses the older PWM / AM signaling. I think the transmitting power was increased when the system was refurbished in 1999, which might explain why the newer clocks are more reliable than the ones I tried in the 1990s, however everything I’ve read indicates the newer PM / PBSK transmitting protocol is significantly more robust than the PWM / AM signaling, plus the mechanical drive mechanism of the La Crosse 404-1235UA is clearly more robust than the underpowered alternatives. In October 2016 I paid $61.76 plus sales tax for my first 404-1235UA. In July 2017 I paid $57.97 plus tax, and today (8/20/2018) Amazon’s price is down to $45.89, which seems like a bargain. As noted above, I think digital clocks that don’t need to physically drive a mechanical mechanism can operate reliably on less power, but I’m still looking for a round analog clock as robust as the La Crosse 404-1235UA but in a smaller size. ... show more
Reviewed in the United States on October 27, 2016 by sd sd
    • The space clock
Style: Clock
Best clock I have a boy never have to turn the clocks ahead or back. It’s amazing.
Reviewed in the United States on November 7, 2023 by Wayne Reith
    • Works in an absolute dungeon! Bang-on accurate wall clock
Style: Clock
I am genuinely impressed with this clock's ability to receive the Atomic Clock signal where it is located. My office is in a deep corner of a ground-floor parts department at a car dealership, surrounded by cinder blocks and hundreds of metal storage shelves full of parts. The clock took about 20-30 minutes before it set itself, basically long enough for me to go find a screw with which to hang it up. I barely have one bar of LTE cell signal on my phone, yet this clock latched onto the atomic signal with ease, in the middle of the afternoon! This is the second one of these I've ordered; the first was one for my home gym on the ground floor of a 2-story house with windows in the room that face East (away from where the signal would be coming from). That one picked up the signal in a matter of minutes once batteries were installed and the switches placed in their correct positions. Keeping perfect time now, and the second hand is easy to catch at a glance to time rests between sets! I *will* say, however, that both clocks took some finessing to get the second hand to line up with the markers. I had to pop it off while the clock was in "SET" mode and then line it up exactly with the 12 o'clock marker and gently press it back on (not hard, just fiddly). Now both clocks hit the hash marks precisely and it's MUCH more satisfying to watch. This is my own personal requirement, and I get that most people are not going to go through the trouble. That said, it wasn't hard and it was totally worth it. The hour and minute hands are fine, so I didn't mind the quick fiddle with the easily adjusted second hand. ... show more
Reviewed in the United States on June 1, 2023 by NBossi

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