The 38-year-old was dwarfed by the stacked and towering minders who surrounded him as he made his way from one designer flagship to another. And the heavy-weight security squad were pictured accompanying the 5′ 8″ megastar on a luxury shopping spree in London on Tuesday. But perhaps the giant minders were justified as Mayweather was wearing a £400,000 (approximately N115m) diamond-encrusted watch. See a photo of the watch (plus others) after the break