A close-up photograph depicts a rose gold-toned, octagonal-cased Patek Philippe skeletonized mechanical wristwatch worn on the left forearm of an individual in Sofia, Bulgaria

A close-up photograph depicts a rose gold-toned, octagonal-cased Patek Philippe skeletonized mechanical wristwatch worn on the left forearm of an individual in Sofia, Bulgaria. The watch features an exposed intricate movement with visible gears, a moon phase complication at the 12 o'clock position showing a crescent moon and stars, and a sub-dial at 9 o'clock. Rose gold-toned Roman numerals are positioned on a white outer chapter ring. The balance wheel, adorned with an ornate gold-colored bridge and a ruby jewel, is visible near the 6 o'clock position, where "SWISS MADE" is also inscribed. The watch displays "PATEK PHILIPPE" on its dial. The wearer's left forearm exhibits dark, abstract-patterned tattoos. The background is an out-of-focus, light beige, textured fabric surface.