How do you handle pixel-perfect product fidelity for branded items (watches, jewelry)?

Working on AI campaign content for a watch brand. Client needs the exact product visible on a model's wrist, fully recognizable: brand logo, dial typography, indices, hands, all readable. What I tested so far: Nano Banana 2 Edit, good composition, dial text wrong (fades) GPT Image 2, similar Basically all Kie. AI & Fal. AI image to image models.