In 2018,Audemars Piguet celebrates the 25th Anniversary of the Royal Oak Offshorewith three new versions of this model that was released for the first time in 1993.
The manufacture wanted to present these three new versions of the iconic sports watch at the preSIHH event: a reissue of theRoyal Oak Offshore Selfwinding Chronographoriginal as well as a newRoyal Oak Offshore Tourbillon Chronographin two versions, which come in two different colors, whose particularity is the presence of a contemporary design dial.
Since the presentation of the firstRoyal Oak OffshoreIn 1993, 120 references of the original model were manufactured but with different materials such as gold, titanium, steel and platinum.
Apart from the Royal Oak Offshore reissue,Audemars Piquetlaunches a special edition of 50 units of theRoyal Oak Offshore Tourbillon Chronographabove (26388PO and 26288OR). It will be available in steel or 18-karat rose gold. The crown and pushers of these editions change metal and rubber for ceramic.
The sphere ofRoyal Oak Offshore Tourbillon ChronographIt presents an architectural aesthetic that makes it become a spectacular piece but at the same time faithful to its particular DNA.
With these three new models with whichAudemars Piguet celebrates the 25th Anniversary of the Royal Oak Offshore, la marca ha mantenido intacta la esencia de este emblemático modelo sin renunciar a la innovación y el desarrollo de nuevas formas y dimensiones creativas.
Features of the reissue of the original Royal Oak Offshore Selfwinding Chronograph:

Ref. 26237ST.OO.1000ST.01
Motion
Automatic winding Caliber 3126/3840
Total diameter 29.92 mm (13 ¼ lines)
Total thickness 7.16mm
Ruby number 59
Number of pieces 365
Guaranteed minimum power reserve 50h
Flywheel frequency (Hz) 3 Hz (=21,600 vibrations/h)
Caja
Made of steel, anti-reflective sapphire crystal, caseback engraved with the “Royal Oak Offshore” logo in the center and the word “AUTOMATIC”, blue rubber-coated pushers and screw-down crown, waterproof to 100 m
Sphere
Blue with “Petite Tapisserie” design, blue counters, white gold applied hour markers and Royal Oak hands with luminescent coating, blue inner bezel
Bracelet
Steel with AP folding clasp
Features
Chronograph, hours, minutes, small seconds and date
Features of the Royal Oak Offshore Tourbillon Chronograph stainless steel

Ref: 26421ST.OO.A002CA.01
Motion
Manual winding Caliber 2947
Total diameter 39.78 mm (17 ½ lines)
Total thickness 11.60 mm
Ruby number 30
Number of pieces 353
Guaranteed minimum power reserve 173h
Flywheel frequency (Hz) 3 Hz (=21,600 vibrations/h)
Caja
Made of steel, sapphire crystal and anti-reflective back, steel bezel, screwed black ceramic crown and pushers, sandblasted titanium pushbutton protectors, waterproof to 100m
Sphere
Black, white gold hour markers with luminescent coating
Bracelet
Black rubber strap with steel buckle
Features
Tourbillon, chronograph, 30-minute counter, seconds, hours and minutes counter
Features of the Royal Oak Offshore Tourbillon Chronograph in Rose Gold

Ref: 26421OR.OO.A002CA.01
Motion
Manual winding Caliber 2947
Total diameter 39.78 mm (17 ½ lines)
Total thickness 11.60 mm
Ruby number 30
Number of pieces 353
Guaranteed minimum power reserve 173h
Flywheel frequency (Hz) 3 Hz (=21,600 vibrations/h)
Caja
18-carat rose gold, sapphire crystal and anti-reflective case back, rose gold bezel, screwed black ceramic crown and pushers, sandblasted rose gold push guards, waterproof to 100m
Sphere
Black, rose gold hour markers with luminescent coating
Bracelet
Black rubber strap with 18K rose gold buckle
Features
Tourbillon, chronograph, 30-minute counter, seconds, hours and minutes counter
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