'Antiques Roadshow' guest stunned after hearing the real value of watch she bought for $100The guest was astonished to learn that his father's $100 watch was worth thousands of dollars. Screenshot showing the details of the watch (Image source: YouTube/Antiques Roadshow PBS)"Most of the time, these came with big straps. Screenshot showing the expert talking about the watch (Image source: YouTube/Antiques Roadshow PBS)"A watch like this on the retail market today probably would run around $12,000. Big watches are really, really in," Small said in the end. More on Market Realist:'Antiques Roadshow' guest gasps after expert tells him the value of his rare $57 Omega watch'Antiques Roadshow' guest gets a $10,000 appraisal for pendant watch — then she refused to sell itAntiques Roadshow seller goes 'good grief' after expert tells him value of his old $300 Rolex watch