Nothing transforms a G-Shock like a full metal case conversion. Replace that plastic resin case with CNC-machined aluminum or stainless steel, and your watch instantly looks and feels premium. Here’s everything you need to know about metal cases in 2026.
Quick Comparison: Top Metal Cases
| Rank | Case Name | Material | Price | Model |
|---|---|---|---|---|
| 1 | Pro Series Aluminum | 6061-T6 Aluminum | $70-90 | GA-2100 |
| 2 | Ultimate Steel Conversion | 316L Stainless | $100-140 | GA-2100 |
| 3 | AE-1200 Metal Case | Aluminum | $45-65 | AE-1200 |
| 4 | DW-5600 Square Metal | Aluminum | $50-75 | DW-5600 |
| 5 | Rose Gold Luxury | Aluminum (PVD) | $80-110 | GA-2100 |
Why Go Metal?
A metal case conversion is the most dramatic upgrade you can make to a G-Shock. Benefits include:
- Premium Look: Instant luxury appearance
- Better Feel: Substantial weight, quality materials
- Durability: Metal won’t crack or degrade like plastic
- Uniqueness: Stand out from stock G-Shocks
- Customization: Multiple finishes and colors available
Aluminum vs Stainless Steel Cases
| Feature | Aluminum | Stainless Steel |
|---|---|---|
| Weight | Light (~60g total) | Heavy (~80g total) |
| Price | $50-90 | $90-150 |
| Durability | Good | Excellent |
| Scratch Resistance | Moderate | High |
| Finish Options | Many (anodized colors) | Limited (polished, brushed, DLC) |
| Best For | First-time converters | Premium builds |
#1: Pro Series Aluminum Case for GA-2100
Our top pick for GA-2100 owners. CNC-machined from 6061-T6 aircraft-grade aluminum with exceptional fit and finish. Available in 8+ colors including silver, black, gold, and rose gold.
Why It’s #1
- Precision CNC machining ensures perfect fit
- Includes matching metal bezel
- Anodized finish resists scratches
- Installation instructions included
- Excellent customer reviews (4.7/5)
#2: Ultimate Steel Conversion
For those wanting maximum durability and premium feel. Made from 316L marine-grade stainless steel – the same material used in luxury Swiss watches.
- 316L marine-grade stainless steel
- Heavier, more substantial feel
- Superior scratch resistance
- Polished or brushed finish options
- Perfect for daily wear
#3: AE-1200 Metal Case – Best Value
The AE-1200 metal case offers incredible value. Transform a $60 watch into something that looks worth 10x more for just $45-65.
Read our complete AE-1200 installation guide →
#4-5: More Great Options
#4: DW-5600 Square Metal Case
Perfect for the classic square G-Shock. Gives your DW-5600 the full metal treatment while maintaining the iconic shape.
#5: Rose Gold Luxury Case
PVD-coated rose gold finish for those wanting a statement piece. Warm, luxurious appearance that stands out.
Installation Difficulty
Metal case installation is intermediate-level modding. You’ll need to:
- Disassemble your G-Shock completely
- Transfer all components to the new case
- Reassemble and test functions
- Time: 30-60 minutes
- Tools: Small screwdriver, prying tool, patience
Before You Buy: What to Know
- Model Compatibility: Ensure the case fits your exact model
- Water Resistance: Test after installation
- Weight Change: Your watch will be heavier
- Warranty: Modifying voids Casio warranty
- Tools Needed: Check if tools are included
Where to Buy
- GshockMod Shop: Quality guaranteed, support included
- AliExpress: Lower prices, variable quality
- Reddit r/GShock: Community recommendations
Final Recommendation
For first-time converters, we recommend the Pro Series Aluminum case. It offers the best balance of quality, price, and ease of installation. If you want the ultimate premium build, go with the Ultimate Steel Conversion.
Top Pick: Pro Series Aluminum – Best value for dramatic transformation.
Ready for the ultimate upgrade? Browse our metal case collection.