Its bezel is made of ceramic for its superior hardness and corrosion-resistance properties. This allows the watch to withstand ultraviolet rays without changing its color and also scratch proof.

The watch contains the patented Perpetual rotor which was the world's first self-winding wristwatch mechanism. It has the ability to store energy through its any movement made to the watch and helps run the mainspring for about 48 to 72 hours.

It also uses the date just capability in this watch where the calendar jumps to the next date upon midnight. This occurs with accuracy and is triggered through stored energy.

Rolex Oyster Perpetual GMT Master II movement is COSC tested for 15 days and 15 nights in five different positions and under 3 different temperatures. This is allows it to achieve certification as a Swiss chronometer.

In addition, the hairspring within the Rolex is known as the blue Parachrom hairspring. It is made of corrosion-resistant stainless steel alloy. This helps the watch to maintain precision even when surrounded by magnetic fields and shocks. The allow is also able to undergo harsh environments like mountain peaks and deepest of ocean depths.

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