Art style: Realistic documentary cinematic.
A man in overalls works on a large, black vintage steam engine. He is adjusting a valve. A modern gold watch is superimposed in the corner. The lighting is bright and outdoor, with a sunset glow.
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FINAL STYLE ENFORCEMENT (this is the authoritative rendering directive — it overrides any style wording elsewhere in the prompt):
Render this image entirely in "Realistic documentary cinematic" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "Realistic documentary cinematic". Keep the subject, composition, camera angle, lighting direction, and colour palette from the description above — but EVERY surface, skin, fabric, material, and environmental element must be rendered in the "Realistic documentary cinematic" idiom, not in any other medium.
