A case study in truly great collaboration. Collaborations are an established part of the modern watch cycle: a new model is introduced, colors follow, maybe a complication is added, and eventually a collaboration enters the mix, often positioned as a moment of creative divergence within an otherwise predictable trajectory. With the Citizen Tsuyosa seconde/seconde/, the brand hits that phase in a way that feels both familiar and slightly off-script. Collaborations are also never entirely expected, yet the best ones have such a natural fit that they rarely come as a genuine surprise. While they can serve to keep a collection feeling fresh, there's a sense that many collaborations struggle to reflect a true meeting of perspectives.  Instead, they can feel like extensions of ideas that brands are already circling, gently guided by an external voice to test whether something slightly unconventional might resonate.…