Side-by-Side Comparison
La Crosse Technology Atomic Clocks




Open the full side-by-side comparisonSee the full criteria table for all top picks when you need the extra detail.Show detailsHide details
Top 10 Of The Best La Crosse Technology Atomic Clocks
Which model number corresponds to each La Crosse clock?
WT-3129B and WT-3129S are 12-inch black and silver analog variants; WT-3102S-INT is the smaller 10-inch silver clock, and WT-3143A is the 14-inch black model. The digital calendar pair is 513-1419BL-INT in an aluminum-color case and 513-1419-WA-INT in walnut finish. Outdoor instrument clocks are 404-00237-INT at 18 inches and 433-3256A-INT at 21 inches, while 404-50447 is the 12.8-inch pine-frame indoor clock. The two 404-00237-INT listings are separate offers for the same model, not two different designs.
Should you choose an analog face or a full-calendar display?
Eight entries use analog hands; their case diameters run from 10 to 21 inches, so wall area and viewing distance vary substantially. The 513-1419BL and 513-1419-WA models instead show time, weekday, and date with nearly 2.5-inch digital numerals and seven zone choices. Only the BL listing documents continuous adapter-powered backlighting and on-demand battery light. Choose analog for at-a-glance hand position or digital when a written weekday and date matter, then verify total case size, contrast, night visibility, and power behavior rather than relying on digit or diameter alone.
Which models add outdoor, thermometer, or humidity functions?
The 18-inch 404-00237-INT and 21-inch 433-3256A-INT are the only models here with both indoor/outdoor wording and integrated temperature and humidity gauges. The 404-00237 descriptions limit exposure to light precipitation and recommend shelter from heavy rain and direct sun. WT-3129B, WT-3102S-INT, and 404-50447 are explicitly indoor clocks; the remaining basic analog and digital models provide no outdoor rating. None of those basic models should inherit weather instruments merely because they use atomic time. Confirm gauge range, calibration, exposure limits, and mounting load for the outdoor choices.
What reception and installation details need verification?
Most analog listings document four United States zones and automatic DST, while the digital calendar clocks list seven zones. WWVB reception is strongest under suitable placement and may need an overnight attempt; manual fallback is explicit only on selected models. Resolve the battery conflicts on WT-3129B and 433-3256A before purchase, and do not copy BL backlight power details to the WA calendar model. For every clock, check the exact suffix, battery inclusion, hanger, depth, wall fastener, lens, zone controls, manual setting, and reception at the address. Outdoor models also need sheltered placement and verified gauge calibration.
Latest Review Posts

Hook for Hanging a Heavy Wall Clock: How to Choose Hardware That Actually Holds

Replacement AA Battery Holders for Clocks: Fit, Safety, and Affordable Options

Bulk AA Batteries for Clocks: Packs That Save Money Without Sacrificing Life

Should You Use Rechargeable Batteries For Clocks and Which Packs To Buy

Best Kids’ Alarm Clocks

















