TOKYO — A De Bethune DB27 Titan Hawk V2 wristwatch alongside a plate of fried gyoza. A Kari Voutilainen 28SC flanked by a serving of tonkatsu with accompanying soup, dipping sauce and pickles. And a Richard Mille RM016 accented with oysters in yuzu.

From his daily Instagram posts, you actually learn more about Chrono Peace’s collection of more than 600 watches — and his food preferences — than you do about the collector himself. You never see his face, and his real name is never disclosed.

His 14,600 Instagram followers don’t know it, nor do readers of his regular contributions to the local horology magazine Power Watch. But that is how he likes it, and he is not alone.

jardin.watch and emilia.summer911, at a watch boutique that he manages in the upscale Ginza district of Tokyo.

The three collectors, all men, insisted on being identified only by their social media aliases, primarily, they said, for safety reasons — even though Tokyo is generally considered a safe city. “Walking around wearing hundreds of thousands of dollars’ worth of watches, we can’t take that risk,” said Chrono Peace, who has been using only his alias for three years.