Casio EFS-S640ZE-1A: 44.5 mm case, 100 m water resistance.
Where to buy
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Specifications
Specifications from Casio, Creation Watches, last seen 2026-09-23.
Movement
- Movement
- Solar
Case & crystal
- Case material
- Stainless steel/Aluminium
- Case diameter
- 44.5mm
- Case thickness
- 13.8mm
- Lug to lug
- 50.1mm
- Crystal
- Sapphire with anti-reflective coating
Resistance
- Water resistance
- 100 m
Catalogue
- List price
- ≈ AUD 462
- CNY 2,190
- Family
- EFS
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Variants Same watch, different market or bracelet
| Reference | Edition | Region | Band | Clasp | Weight |
|---|---|---|---|---|---|
| EFS-S640ZE-1A | — | — | Alcantara strap | Pin buckle | 61g |
