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Casio AQ-S820W-1A

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Casio AQ-S820W-1A
Illuminator (sport)Japansolar battery
Main
Gendermen's
Country of originJapan
Mechanism
Movement typequartz
Calibermodule 5745
Accuracy+/- 30 s/month
Power sourcesolar battery
Power reserve indicatior
Dial
Dial typemixed
Type of indexmarks + arabic
Colourblack
Backlightluminous / electronic
Featuresalarm / 5 /
stopwatch
timer
day of the week
date
month
world time / 31 time zones /
Case and strap
Case shaperound
Case materialplastic
Colourblack
Glass materialplastic
Straprubber strap
Strap colourblack
Claspclassic (with buckle)
General specs
Waterproof100 WR / 10 ATM
Diameter (width)50 mm
Thickness12.7 mm
Weight46 g
Official Websitecasio.com
Added to E-CatalogDecember 2025
Battery life without recharging is up to 10 months, in power-saving mode and complete darkness — up to 23 months.
E-Catalog UK editor, Wrist Watches
Oleksii Kuznietsov, edited 18.12.2025
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Casio 2026 - new arrivals, bestsellers, and the most relevant models Casio.
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A sleek, solar-powered watch built for active lifestyles. Combining practicality with rugged design, this versatile timepiece is ideal for those who demand reliability without sacrificing style. The watch features a bold black plastic case and strap, offering lightweight comfort and long-lasting durability. Its dual display combines analogue hands... morewith a digital screen, giving you the best of both worlds in a single, easy-to-read format. Thanks to Casio's Tough Solar technology, the watch charges itself from natural or artificial light, eliminating the need for battery changes. Packed with useful features including world time, a 1/100-second stopwatch, countdown timer, 5 daily alarms, and an
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Delivery: in United Kingdom
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Series Casio Illuminator (sport)Compare using chart →
Additional features wrist watch Casio AQ-S820W-1A:
  • Hourly signal
  • LED backlight
  • Afterglow
  • On off. button sound
  • Energy saving
We recommendCompare using chart →
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Wrist Watch Casio AQ-S820W-1A