Wristwatch comprising at least one case provided with at least one main body comprising at least one cavity adapted to accommodate the mechanism and the dial of said wristwatch and defining at least one upper opening , said dial being arranged in the proximity of said upper opening and facing outwards of said cavity, where said wristwatch comprises: - a first bezel associated in a movable manner with said main body at said upper opening , around said dial , and provided with a first scale showing representative values of minutes, said first bezel being positionable in a plurality of different first angular positions (α) with respect to said dial ; - a second bezel associated with said main body at said upper opening , around said dial , and provided with a second scale showing representative values of hours, said second bezel being positionable in a plurality of different second angular positions (β) with respect to said dial and with respect to said first bezel . characterized by the fact that: - said first bezel , said second bezel and said main body are associated in a removable manner with each other; or by the fact that: - at least one of said first bezel and said second bezel is associated movable in rotation with said main body , said wristwatch comprising movement means of said bezels with respect to said dial , where said movement means comprise: - at least one mechanism for the rotational coupling of said second bezel to said first bezel , said first bezel being rotated counterclockwise; - at least one mechanism for the free rotation of said first bezel with respect to said second bezel , said first bezel being rotated clockwise. - a first bezel associated in a movable manner with said main body at said upper opening , around said dial , and provided with a first scale showing representative values of minutes, said first bezel being positionable in a plurality of different first angular positions (α) with respect to said dial ; - a second bezel associated with said main body at said upper opening , around said dial , and provided with a second scale showing representative values of hours, said second bezel being positionable in a plurality of different second angular positions (β) with respect to said dial and with respect to said first bezel . - said first bezel , said second bezel and said main body are associated in a removable manner with each other; - at least one of said first bezel and said second bezel is associated movable in rotation with said main body , said wristwatch comprising movement means of said bezels with respect to said dial , where said movement means comprise: - at least one mechanism for the rotational coupling of said second bezel to said first bezel , said first bezel being rotated counterclockwise; - at least one mechanism for the free rotation of said first bezel with respect to said second bezel , said first bezel being rotated clockwise. - at least one mechanism for the rotational coupling of said second bezel to said first bezel , said first bezel being rotated counterclockwise; - at least one mechanism for the free rotation of said first bezel with respect to said second bezel , said first bezel being rotated clockwise. <EOS>