Our products are alloy versions. The highest end alloy plate. Anti counterfeiting S. 2021. Complete packaging, weighing around 65 grams. The bioceramic (plastic version) weighs about 32 grams, but there is no tactile sensation. This model in our store is more vivid and has a stronger tactile sensation.
Replace the battery with a small cover located behind the watch. It can be replaced after opening.