Brand · Watches
Casio watches
We list 10 Casio watches, from 42.8 to 51.2 mm and 0.1 lb to 0.4 lb. The lightest is the G-Shock 2100 Series at 0.1 lb, and prices start at $110.
By Everyday LoadoutData checked www.casio.comAbout Casio
- Watches listed
- 10
- Case range
- 42.8 to 51.2 mm
- Weight range
- 0.1 lb to 0.4 lb
- Price range
- $110 to $600
At a glance
Side-by-side specs
| Watch | Case | Thickness | Water | Movement | Crystal | From |
|---|---|---|---|---|---|---|
| Casio G-Shock 5600 Series | 42.8 mm | 13.4 mm | 200 m | — | Mineral | $110 |
| Casio G-Shock Full Metal GMW-B5000 Series all Steel | 43.2 mm | 13 mm | 200 m | Solar quartz | Mineral | $600 |
| Casio G-Shock "G-Steel" GM-2100 Series | 44.4 mm | 11 mm | 200 m | — | Mineral | $220 |
| Casio G-Shock 2100 Series | 45.4 mm | 11.8 mm | 200 m | — | Mineral | $110 |
| Casio G-Shock "Move" GBA-800 Series | 48.6 mm | 15.5 mm | 200 m | — | Mineral | $145 |
| Casio G-Shock GM-110 Series | 48.8 mm | 16.9 mm | 200 m | — | Mineral | $220 |
| Casio G-Shock G-Steel 2100 Series | 49.3 mm | 11.9 mm | 200 m | Solar quartz | — | $280 |
| Casio G-Shock Master of G-Land GW-9400 Series | 49.3 mm | 18.2 mm | 200 m | Solar quartz | Mineral | $365 |
| Casio G-Shock 7900 Series | 50 mm | 17.7 mm | 200 m | — | Mineral | $120 |
| Casio G-Shock GA-100 Series | 51.2 mm | 16.9 mm | 200 m | — | Mineral | $110 |
Image not availableColors: Black
The Casio G-Shock 5600 Series is a 42.8 mm, 200 m water-resistant digital watch with a mineral crystal. It measures 48.9 mm lug to lug.
It's the second lightest of the 10 watches here and the least expensive here at $110. Worth knowing: sold by one retailer we track (Long Island Watch).
- Case
- 42.8 mm
- Water
- 200 m (656 ft)
- Movement
- Not published
- Crystal
- Mineral
- Case material
- Resin
- Weight
- 0.1 lb · 53 g
$110at Long Island Watch, Black
Check price for the Casio G-Shock 5600 Series at Long Island Watch (opens in new tab)Full specs and sources for the Casio G-Shock 5600 SeriesLowest in-stock price as of Oct 25, 2026.
Stands out
- Shock resistant
- Backlight
Worth knowing
- Sold by one retailer we track (Long Island Watch)
Image not availableColor not published
The Casio G-Shock Full Metal GMW-B5000 Series all Steel is a 43.2 mm, 200 m water-resistant solar quartz watch with a mineral crystal. It measures 49.3 mm lug to lug.
At 0.4 lb it's the heaviest of the 10 watches here and the most expensive here at $600. Worth knowing: heaviest watch in this list.
- Case
- 43.2 mm
- Water
- 200 m (656 ft)
- Movement
- Solar quartz
- Crystal
- Mineral
- Case material
- Stainless steel
- Weight
- 0.4 lb · 167 g
$600at Long Island Watch
Check price for the Casio G-Shock Full Metal GMW-B5000 Series all Steel at Long Island Watch (opens in new tab)Full specs and sources for the Casio G-Shock Full Metal GMW-B5000 Series all SteelLowest in-stock price as of Oct 25, 2026.
Stands out
- Solar powered
- Radio-controlled time
- Shock resistant
Worth knowing
- Heaviest watch in this list
- Sold by one retailer we track (Long Island Watch)
Image not availableColors: Silver
The Casio G-Shock "G-Steel" GM-2100 Series is a 44.4 mm, 200 m water-resistant watch with a mineral crystal. It measures 49.3 mm lug to lug.
It's the 5th lightest of the 10 watches here. Worth knowing: sold by one retailer we track (Long Island Watch).
- Case
- 44.4 mm
- Water
- 200 m (656 ft)
- Movement
- Not published
- Crystal
- Mineral
- Case material
- Resin
- Weight
- 0.2 lb · 72 g
$220at Long Island Watch, Silver
Check price for the Casio G-Shock "G-Steel" GM-2100 Series at Long Island Watch (opens in new tab)Full specs and sources for the Casio G-Shock "G-Steel" GM-2100 SeriesLowest in-stock price as of Oct 25, 2026.
Stands out
- Shock resistant
- Backlight
Worth knowing
- Sold by one retailer we track (Long Island Watch)
Casio G-Shock 2100 Series
Lightest
Image not availableColors: Black
The Casio G-Shock 2100 Series is a 45.4 mm, 200 m water-resistant watch with a mineral crystal. It measures 48.5 mm lug to lug.
It's the lightest of the 10 watches here, 116 g lighter than the heaviest. Worth knowing: sold by one retailer we track (Long Island Watch).
- Case
- 45.4 mm
- Water
- 200 m (656 ft)
- Movement
- Not published
- Crystal
- Mineral
- Case material
- Resin
- Weight
- 0.1 lb · 51 g
$110at Long Island Watch, Black
Check price for the Casio G-Shock 2100 Series at Long Island Watch (opens in new tab)Full specs and sources for the Casio G-Shock 2100 SeriesLowest in-stock price as of Oct 25, 2026.
Stands out
- Shock resistant
Worth knowing
- Sold by one retailer we track (Long Island Watch)
Image not availableColors: Pale Blue
The Casio G-Shock "Move" GBA-800 Series is a 48.6 mm, 200 m water-resistant watch with a mineral crystal. It measures 54.1 mm lug to lug.
It's the third lightest of the 10 watches here. Worth knowing: sold by one retailer we track (Long Island Watch).
- Case
- 48.6 mm
- Water
- 200 m (656 ft)
- Movement
- Not published
- Crystal
- Mineral
- Case material
- Resin
- Weight
- 0.1 lb · 61 g
$145at Long Island Watch, Pale Blue
Check price for the Casio G-Shock "Move" GBA-800 Series at Long Island Watch (opens in new tab)Full specs and sources for the Casio G-Shock "Move" GBA-800 SeriesLowest in-stock price as of Oct 25, 2026.
Stands out
- Shock resistant
- Backlight
Worth knowing
- Sold by one retailer we track (Long Island Watch)
Image not availableThe Casio G-Shock GM-110 Series is a 48.8 mm, 200 m water-resistant watch with a mineral crystal. It measures 51.9 mm lug to lug.
It's the 7th lightest of the 10 watches here. Worth knowing: sold by one retailer we track (Long Island Watch).
- Case
- 48.8 mm
- Water
- 200 m (656 ft)
- Movement
- Not published
- Crystal
- Mineral
- Case material
- Stainless steel
- Weight
- 0.2 lb · 93 g
$220at Long Island Watch, Silver
Check price for the Casio G-Shock GM-110 Series at Long Island Watch (opens in new tab)Full specs and sources for the Casio G-Shock GM-110 SeriesLowest in-stock price as of Oct 25, 2026.
Stands out
- Shock resistant
Worth knowing
- Sold by one retailer we track (Long Island Watch)
Image not availableThe Casio G-Shock G-Steel 2100 Series is a 49.3 mm, 200 m water-resistant solar quartz watch.
It's the 6th lightest of the 10 watches here. Worth knowing: sold by one retailer we track (Long Island Watch).
- Case
- 49.3 mm
- Water
- 200 m (656 ft)
- Movement
- Solar quartz
- Crystal
- Not published
- Case material
- Stainless steel
- Weight
- 0.2 lb · 72 g
$280at Long Island Watch, Green Dial
Check price for the Casio G-Shock G-Steel 2100 Series at Long Island Watch (opens in new tab)Full specs and sources for the Casio G-Shock G-Steel 2100 SeriesLowest in-stock price as of Oct 25, 2026.
Stands out
- Solar powered
- Shock resistant
Worth knowing
- Sold by one retailer we track (Long Island Watch)
Image not availableColors: Black
The Casio G-Shock Master of G-Land GW-9400 Series is a 49.3 mm, 200 m water-resistant solar quartz watch with a mineral crystal.
It's the 8th lightest of the 10 watches here. Worth knowing: sold by one retailer we track (Long Island Watch).
- Case
- 49.3 mm
- Water
- 200 m (656 ft)
- Movement
- Solar quartz
- Crystal
- Mineral
- Case material
- Resin
- Weight
- 0.2 lb · 93 g
$365at Long Island Watch, Black
Check price for the Casio G-Shock Master of G-Land GW-9400 Series at Long Island Watch (opens in new tab)Full specs and sources for the Casio G-Shock Master of G-Land GW-9400 SeriesLowest in-stock price as of Oct 25, 2026.
Stands out
- Solar powered
- Radio-controlled time
- Shock resistant
Worth knowing
- Sold by one retailer we track (Long Island Watch)
Image not availableColors: Black
The Casio G-Shock 7900 Series is a 50 mm, 200 m water-resistant digital watch with a mineral crystal. It measures 52.4 mm lug to lug.
It's the fourth lightest of the 10 watches here. Worth knowing: sold by one retailer we track (Long Island Watch).
- Case
- 50 mm
- Water
- 200 m (656 ft)
- Movement
- Not published
- Crystal
- Mineral
- Case material
- Resin
- Weight
- 0.2 lb · 68 g
$120at Long Island Watch, Black
Check price for the Casio G-Shock 7900 Series at Long Island Watch (opens in new tab)Full specs and sources for the Casio G-Shock 7900 SeriesLowest in-stock price as of Oct 25, 2026.
Stands out
- Shock resistant
Worth knowing
- Sold by one retailer we track (Long Island Watch)
Image not availableThe Casio G-Shock GA-100 Series is a 51.2 mm, 200 m water-resistant watch with a mineral crystal. It measures 55 mm lug to lug.
It's the fifth lightest of the 10 watches here. Worth knowing: sold by one retailer we track (Long Island Watch).
- Case
- 51.2 mm
- Water
- 200 m (656 ft)
- Movement
- Not published
- Crystal
- Mineral
- Case material
- Resin
- Weight
- 0.2 lb · 70 g
$110at Long Island Watch, White
Check price for the Casio G-Shock GA-100 Series at Long Island Watch (opens in new tab)Full specs and sources for the Casio G-Shock GA-100 SeriesLowest in-stock price as of Oct 25, 2026.
Stands out
- Shock resistant
Worth knowing
- Sold by one retailer we track (Long Island Watch)
Questions, answered from the data
What are the lightest Casio watches?
The Casio G-Shock 2100 Series is the lightest at 0.1 lb (51 g), by Long Island Watch's listing.
What's the cheapest option?
The Casio G-Shock 5600 Series, with a lowest in-stock price of $110 this week.
Which are solar powered?
The Casio G-Shock Full Metal GMW-B5000 Series all Steel, the Casio G-Shock G-Steel 2100 Series and the Casio G-Shock Master of G-Land GW-9400 Series are light-powered.
Which is the most water resistant?
The Casio G-Shock 5600 Series, rated to 200 m (656 ft).
About this list
This page includes every Casio watch in our database, ordered by case. “At a glance” picks compare these watches with each other only. To compare across brands, use the watch search.
Specs come from Casio’s product pages unless marked otherwise, and every value links to its source on the product page. Prices are the lowest in-stock price we found on Oct 25, 2026. This is a spec comparison, not a hands-on review. Read our methodology.