- **Reactor CRITICAL MASS-C Round, Bracelet Chrono, 2-Tone from maclocks. Price: $199.99. Discount: $200.01. Categories: Fashion, Accessories, Watch, Sponsored. Deal Rating: 5 Stars out of 5. Store Rating: 5 Stars out of 5. Deal Recommendation: Recommended. Available Until: Limited Time. Thoughts: CRITICAL MASS is a masterpiece of timekeeping. With its distinctive sculpted case and unidirectional timing bezel, it is a perfect combination of beauty and aesthetic proportion. Reactor’s extreme construction makes Critical Mass ready to go anywhere.
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