The replica royal oak offshore 15720ST green is the current-generation Offshore Diver in khaki green — a watch that takes the 300-meter dive rating seriously while looking nothing like a traditional dive tool. At 42mm in stainless steel with the signature octagonal bezel, inner rotating timing bezel, and a Cal. 4308 automatic, the 15720ST updates the Offshore Diver lineage with a modern movement and a color that works equally well above and below water.
The 15720 Diver Generation
The 15720ST replaced the 15710ST in the Offshore Diver lineup. The case was reshaped — sharper angles on the crown guards, a more integrated look where the rubber strap meets the lugs, and slightly revised proportions that bring the watch closer to the current Offshore design language. The inner rotating bezel still operates through the crown at 10 o’clock, counter-clockwise only for safety.
Caliber 4308 is the significant upgrade. Where the old 15710 ran the Cal. 3120 at 21,600 vph, the 4308 beats at 28,800 vph with improved accuracy and a comparable 60-hour reserve. The higher frequency means the seconds hand sweeps more smoothly — eight beats per second rather than six. For a dive watch where you might be counting elapsed seconds, that smoothness is functional, not cosmetic. The older 15710ST diver remains a solid piece, but the 15720 is the one AP is building going forward.
Khaki Green on the Wrist
Green dials have moved from novelty to staple across luxury watches in the last few years, and AP’s approach with this Offshore Diver avoids the oversaturated look that plagues some competitors. The khaki tone is muted, almost military in character, which makes sense on a tool watch rated to 300 meters. The Mega Tapisserie pattern on the dial catches light differently depending on the angle, giving the green depth that a flat-painted surface cannot match.
This replica royal oak offshore 15720ST green pairs the khaki dial with a matching green rubber strap and a steel folding clasp. The strap is the quick-change type that AP introduced with the 15720 generation — no tools needed to swap between rubber and the optional steel bracelet. Browse the full Offshore collection for every available configuration, or check shipping details for delivery timelines on this reference.
| Reference | 15720ST.OO.A052CA.01 |
| Case | 42mm · Stainless steel |
| Bezel | Octagonal · 8 hexagonal screws |
| Dial | Khaki green · Mega Tapisserie · Luminous markers |
| Crystal | Sapphire · AR coating |
| Caliber | 4308 · Automatic · 60h reserve |
| Strap | Khaki green rubber · quick-change system |
| Buckle | Stainless steel · AP folding clasp |
| Water | 300m / 30 ATM |
| Functions | Hours, minutes, seconds, date, inner rotating bezel |
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