Casio G-Shock GA-2100-1AER analogue-digital black Watch
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- 100% secure payment
- Free returns in store
- With a 3 year warranty
- Free shipping on orders over €75
- Payment in installments available
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Details
Details
Introducing the Casio men's watch, a model with a robust structure that combines functionality and contemporary design. Its black resin case and resin strap provide durability and comfort for everyday wear. The dial features an analogue-digital combination in an elegant black tone, complemented by stick-shaped numbers that facilitate easy reading of the time. This watch is equipped with several useful features, including an alarm, automatic calendar, and a 12/24 hour indicator. Additionally, it has a World Time function, a chronograph with hundredths, and a timer, providing versatility for various activities. The LED light allows for easy viewing in low light conditions. With water resistance of up to 200 metres, this watch is suitable for aquatic activities. Its case has a diameter of 45 mm, giving it a notable presence on the wrist. The battery of this model guarantees prolonged operation, lasting up to 3 years. This Casio watch is an ideal choice for those seeking a practical and stylish accessory.
Ref. GA-2100-1AER
Jewelry care
Jewelry care
To preserve the luster of your jewelry, it's recommended to avoid using cosmetics, cleaning products, and other chemical agents, and to clean it with a soft cloth. For professional cleaning, please visit one of our jewelry stores.
Exchanges and returns
Exchanges and returns
The return or withdrawal period is 15 days and the exchange period is 30 days, both from the date of delivery of the item.
Shipping and delivery
Shipping and delivery
Size guide
Don't know your ring size? We'll show you different ways to find the perfect size.
The size is the measurement of the ring's interior space.


How to measure your ring size at home: step-by-step guide
Method 1: Measuring an existing ring (inside diameter)
This is the most accurate method if you already have a reference ring. Follow these steps:
- You will need the ring and a ruler.
- Do not include the metal; the thickness is not considered for the measurement.
- Note the exact measurement in millimeters (mm) and look for this figure in our equivalence table, in the "Inside diameter" column.

Method 2: Measuring your finger (circumference)
If you don't have a reference ring, you can measure your finger's circumference. Follow these steps:
- You will need a string, a measuring tape, or a strip of paper and a ruler.
- We recommend measuring your finger at the end of the day to avoid swelling.
- Wrap the string, tape, or paper strip around the base of the finger on which you will wear the ring, note the exact measurement, and find it in our equivalence table.

Equivalence table
| Ring inside diameter (mm) | JOSE LUIS Joyerías Size |
|---|---|
| 15.2 mm | 8 |
| 15.5 mm | 9 |
| 15.9 mm | 10 |
| 16.2 mm | 11 |
| 16.5 mm | 12 |
| 16.8 mm | 13 |
| 17.1 mm | 14 |
| 17.4 mm | 15 |
| 17.8 mm | 16 |
| 18.0 mm | 17 |
| 18.4 mm | 18 |
| 18.7 mm | 19 |
| 19.0 mm | 20 |
| 19.3 mm | 21 |
| 19.6 mm | 22 |
| 20.0 mm | 23 |
| 20.3 mm | 24 |
You can also consult our customer service team for more information.