品牌设计：机械腕表

Refined product photography of a luxury mechanical watch brand, a round steel-cased watch with a deep navy sunburst dial whose brushing pattern catches the light and gold hands, the brand name engraved in fine serif lettering on the dial, displayed in a dark walnut presentation box with a cream silk cushion, a second watch lying on a fine calfskin-grain leather strap, a soft window reflection in the case glass, set on a dark desk with a fountain pen and an open notebook with faint handwriting on cream pages, dramatic side lighting from the left at evening creating strong metallic highlights, navy-gold-wood palette, eye-level macro medium shot, engraved dial and gear detail in extreme sharpness, shallow depth of field, masculine elegant mood with a subtle warm reflection of the dial on the silk, high resolution, 4k