This replica Royal-Oak-Offshore 15720ST blue presents the 15720ST.OO.A027CA.01 reference, placing a blue dial inside the current-generation 42mm stainless steel Offshore diver case. Audemars Piguet has historically used blue across multiple collections, from the Royal Oak “Jumbo” to the Offshore, and the 15720ST in blue continues that tradition with a shade that shifts between navy and medium blue depending on lighting angle.

Case & Movement Specs

• Case diameter: 42mm
• Case material: stainless steel
• Dial: blue with luminous applied markers
• Bezel: steel octagonal with hexagonal screws
• Crystal: sapphire with anti-reflective coating
• Strap: blue rubber
• Movement: automatic
• Functions: hours, minutes, seconds, date

The blue dial creates a color story that extends to the matched rubber strap, tying the upper and lower halves of the watch into a cohesive visual package. Steel case surfaces remain neutral, allowing the blue elements to provide all the chromatic interest.

Caliber Breakdown

Inside, the automatic movement delivers time and date without additional complications. The date window at 3 o’clock uses a disc that coordinates with the dial color for visual continuity. The 15720 platform represents the latest evolution of the Offshore diver, incorporating refinements to case geometry that distinguish it from the earlier 15710 generation. Crown guards sit tighter to the case, and lug-to-lug dimensions create a more integrated profile on wrist. See how the same Offshore platform handles a different color identity in the 44mm Forest Green version, or explore every available reference on the Offshore collection page.

How It Compares

Blue-dial sport watches consistently rank among the most popular configurations across all watch brands, and the Offshore is no exception. The 15720ST in blue offers a less common alternative to the standard black dial without entering limited-edition territory. On wrist, the color reads as more dynamic than black because it reacts to light changes throughout the day, appearing darker indoors and brighter in sunlight. The matched blue rubber strap amplifies this effect. If your rotation needs an Offshore diver with more visual energy than the all-black options, this replica Royal-Oak-Offshore 15720ST blue fills that gap precisely.