First, pull out the crown to the second notch. This should be the final position the crown reaches. Now you can set the time by turning the crown. Once the desired time is set, push the crown back to its initial position.
A genuine Hublot Big Bang watch comes with a very precise and high-quality finish. Counterfeit watches often can’t match the level of detail. Also, the Hublot logo on the clasp and the engraved serial number can help you determine if the watch is genuine.
Wind the watch by turning the crown clockwise while it is in its initial position. Be careful not to overwind as it could damage the mechanism.
Pull the crown to the first notch, this is the position to adjust the date. Now you can change the date by turning the crown. Once the desired date is set, push the crown back to its original position.
The case size of a watch is measured in diameter, from edge to edge of the case, excluding the crown.