Apart from its eye catching aesthetics, a luminescent capsule meant to enhance its legibility is also included by the Rolex Hulk's bezel. This assists deep-sea divers keep tabs on their time. In addition, the bezel comprises a decompression stop to allow divers to expel pressure . It also features a knurled edge to be divers watch have a tight grip while still.
To provide the wearer with high-precision, a calibre 3135 self-winding movement developed by Rolex powers the Rolex Hulk. This movement is a chronometer. Additionally, it comprises a Parachrom hairspring which is highly paramagnetic.
This hairspring ensures accuracy than the hairspring and up to 10 times more excellent stability particularly when subjected to shocks. Moreover, the Rolex Hulk's permits for a 48-hour electricity reserve.