Watch components

Nowadays,almost every person has a watch,such as Rolex replica,Porsche Design replica,Richard Mille replica,Zenith replica,Hublot replica and Ferrari replica watches,some may have many watches,but do they know about their watches?Do they know the exact components of the watches.
Band: The cuff that wraps around the wrist making the piece a wrist watch. Metal bands are called bracelets. Leather, rubber or fabric bands are called watch straps.
Bezel: Ring that attaches the crystal to the watch case.
Case: Frame that houses the watch mechanism.
Case Back: A removable cover that allows access to the internal mechanism of a watch.
Clasp: The hardware that fastens the band together; a buckle.
Crown: A button on the side of the case that adjusts the time and date. The button also winds many mechanical watches.
Crystal: The clear protective case over the watch dial; usually a Plexiglas or mineral disc. Hardlex crystals, a heat-treated mineral crystal, and sapphire crystals are especially scratch-resistant.
Dial: The face of a watch case that displays the timekeeping functions.
Subdial: A small window or register with its own hands that is placed on the main dial. Chronograph watches have three or four subdials to display multiple functions.
Lugs: The hardware that connects the case to the watch band.