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Equation of time
Selfwinding equation of time watch with sunrise and sunset times and perpetual calendar with astronomic moon. Stainless steel case, silvered dial, black strap.
Explore Royal Oak
Royal Oak To break the rules, you must first master them. 
Savoir-faire Astronomy Complications 
Story To each his own address Details
- Case Width 42.00 mm
- Case Thickness 10.45 mm
- Water Resistance 20 m
Specifications
- Case
- Glareproofed sapphire crystal and casbeack, screw-locked crown, water-resistant to 20 m
- Dial
- «Grande Tapisserie» pattern, gold applied hour-markers with luminescent coating, gold Royal Oak hands with luminescent coating
- Bracelet
- Hand-stitched «large square scale» crocodile with 18-carat pink gold or stainless steel AP folding clasp
- Reference
- 26603ST.OO.D002CR.01
- Functions
- Sunrise and sunset times, equation of time, perpetual calendar, astronomical moon, hours, minutes
- Movement thickness with module
- 5.00 mm
- Total diameter
- 12½ mm
- Type of balance
- With Variable inertia blocks
- Frequency of balance wheel
- 2,75 (=19'800 alternances/hour) Hz
- Type of balance-spring stud-holder
- Mobile stud
- Balance-spring type
- Flat
- Direction of automatic winding
- Bidirectional
- Type of oscillating weight
- Support and weight segment in 21-carat gold
- Number of jewels
- 41
- Power reserve
- 40 h
- Number of parts
- 425
specificities
- Extra-thin movement
- Suspended barrel
- Shake of the oscillating weight garanteed thanks to annular ring running on four jewels
- Manual finishing of the bridges (polished bevels, satinbrushed edges, Perlage on the recesses)
- Hand crafted decorative engravings on oscillating weight componants
- Moonphase made with Physical Vapor Deposited metal onto sapphire
- Sunrise & Sunset times can be changed upon customer's request
- Oscillating weight can be custom decorated upon customer's request
- Perpetual calendar / Date / Day / Month / Leap year / Astronomical moonphases / Sunrise and Sunset times / Equation of Time
Calibre
See the layers of the Calibre DOWNLOAD USER MANUAL (PDF)Calibre 2120 / 2808 Manufacture
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Expert Service
As an Audemars Piguet owner, you’ll have access to the world’s brightest master horologers – many trained here in the Vallée de Joux.
ServiceVisit a Boutique
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Where to buy
Audemars Piguet History
Six distinct stages create every Audemars Piguet watch: design, development, production, decoration, assembly and casing-up.
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Royal Oak SELFWINDING
Selfwinding watch with date display and centre seconds.
