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Day & Date
Selfwinding watch indicating the date and the day. Stainless steel case, black dial, stainless steel bracelet.
Explore Royal Oak
Royal Oak To break the rules, you must first master them. 
Savoir-faire Making a Royal Oak case
and bezel
Savoir-faire Making the Royal Oak Bracelet Details
- Case Width 39.00 mm
- Case Thickness 10.30 mm
- Water Resistance 50 m
Specifications
- Case
- Glareproofed sapphire crystal, screw-locked crown, water-resistant to 50 m
- Dial
- «Grande Tapisserie» pattern, bicolour counters, gold applied hour-markers with luminescent coating, gold Royal Oak hands with luminescent coating
- Bracelet
- Hand-stitched «large square scale» crocodile strap with 18-carats pink gold AP folding clasp or stainless steel bracelet with AP folding clasp
- Reference
- 26330ST.OO.1220ST.01
- Functions
- Day, date, hours, minutes
- Movement thickness with module
- 4.00 mm
- Total diameter
- 11¾ mm
- Type of balance
- With Variable inertia blocks
- Frequency of balance wheel
- 4,00 (=28'800 alternances/hour) Hz
- Type of balance-spring stud-holder
- Mobile stud
- Balance-spring type
- Flat
- Direction of automatic winding
- Unidirectional (see recommendations underneath)
- Type of oscillating weight
- Weight segment in 21-carat gold
- Number of jewels
- 31
- Power reserve
- 40 h
- Number of parts
- 215
specificities
- Stop balance when setting time
- Oscillating weight with ceramic ball bearings
- Date / Day / Date
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
You can indulge your fascination with our timepieces at retail locations and at our exclusive boutiques, all over the world.
Where to buy
Audemars Piguet History
The Royal Oak is named for British Royal Navy battleships, themselves christened for the tree where King Charles II hid from his enemies.
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Royal Oak SELFWINDING
Selfwinding watch with date display and centre seconds.
