Photo: Tempus Shop
Catalogue / G-Shock / ref. GMA-S2100PR-4AER
Casio G-Shock GMA-S2100PR-4AER
The Casio G-Shock GMA-S2100PR-4AER is a quartz watch, 42.9 mm across, with a mineral crystal, water-resistant to 200 m. It was listed at €99.90 at Tempus at our check on 12 November 2026.
Where to buyChecked 12 November 2026
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Who it suits
Anyone who swims, dives or wants a watch that never needs babying.
Strengths
Quartz movement · Water-resistant to 200 m · Priced below the brand median
Limits
Mineral crystal
Reading the spec sheet
What the spec sheet says
- Quartz movement. Accurate and maintenance-free, apart from battery changes.
- Water-resistant to 200 m. Swimming and diving without a second thought.
- Priced below the brand median. It costs 28% less than the median of the 11 quartz G-Shock watches in the catalogue (€139).
- Mineral crystal. It scratches sooner than sapphire, which is usual at this price.
Analysis based on the retailer’s spec sheet, without handling the watch.
- Brand
- G-Shock
- Gender
- Women
- Calibre
- 5611
- Strap material
- Bio-based resin
- Diameter
- 42.9mm
- Crystal
- Mineral
- Movement
- Quartz
- Thickness
- 11.2mm
- Water resistance
- 200 m (20 bar)
- Dial colour
- Pink
- Hour markers
- NeoBrite coating
- Clasp
- Pin buckle
- Weight
- 41g
- Reference
- GMA-S2100PR-4AER
Questions
The short answers
Is the Casio G-Shock GMA-S2100PR-4AER an automatic watch?
No. It runs on a quartz movement (calibre 5611).
Can you swim with the Casio G-Shock GMA-S2100PR-4AER?
Yes. It is water-resistant to 200 m, which covers swimming and diving.
Does the crystal of the Casio G-Shock GMA-S2100PR-4AER scratch?
It has a mineral crystal, more prone to scratches than sapphire.
What size is the Casio G-Shock GMA-S2100PR-4AER?
Its case measures 42.9 mm in diameter and 11.2 mm thick.
How much does the Casio G-Shock GMA-S2100PR-4AER cost?
It was listed at €99.90 at Tempus at our check on 12 November 2026.
Where it ranks
This watch appears in
Same brand
