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Sellita
Sellita's hand-wound chronograph caliber, the manual sibling of the automatic SW500 and compatible with the Valjoux/ETA 7750 layout, with the classic 12-6-9 subdial arrangement. It beats at 28,800 vph with roughly 48–62 hours of power reserve.
Uni-Racer collection · 2 watches
2 colorways
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Owners widely praise the Massena LAB Uni-Racer for its perfect 39mm size and "big eye" aesthetic, with reviewers highlighting the meticulous research evident in its vintage chronograph inspiration. The watch features a manual-wind Sellita SW510 M movement, a custom lume color, and a smooth winding action. Some owners find the strap exceptionally soft and comfortable. One reviewer noted the case could have benefited from more shape and thinness in the lugs, while another flagged "ridiculously shaped hands" and potential long-term serviceability issues common to microbrands. Overall, owners and reviewers rate the Massena LAB Uni-Racer highly for its vintage perfection and meticulous design at its price point.
On real wrists
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