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- Watch 2 vs Ultra
BitHD Watch 2 vs ColdLar Ultra
What Watch 2 does better (1) and where Ultra wins (1) — every spec side by side.
Why is Watch 2 better than Ultra?
- Source code availableYes · Ultra: No
Why is Ultra better than Watch 2?
- Thickness12 mm vs 8.6 mm+40%
Specifications
Side by side
| Firmware & open source | ||
| Open-source firmware | No | No |
| Source code available | Yes | No |
| Reproducible builds | No | — |
| Upgradable firmware | Yes | — |
| Design | ||
| Weight | — | 160 g |
| Length | 42 mm | 140 mm |
| Width | 36 mm | 71 mm |
| Thickness | 12 mm | 8.6 mm |
