Royal Oak Day-Date

SPECIFICATIONS  

Brand: Audemars Piguet
Model: Royal Oak Day-Date Moon Phase
Reference Number: 25594ST.00.0789ST.05
Movement: Automatic
Condition: Good 
Gender: Men's
Time Period: 1990s
Box: Yes
Papers: No

THE CALIBER

Caliber: 2124/2825
Jewels: 33

THE CASE

Case Material: Stainless steel
Case Diameter: 36.5 mm
Thickness: 9 mm
Waterproof: 100 ft./ 30 m./ 3 ATM
Bezel Material: Fixed stainless steel secured with 8 white gold screws
Glass: Sapphire Crystal
Caseback: Solid
Dial: Cream with waffle “Grande Tapisserie” decoration
Dial Numerals: 18K yellow gold applied with luminescent coating faceted baton hour indices

THE BRACELET / STRAP

Bracelet Material: 18K yellow gold and stainless steel
Buckle: Fold-over Audemars Piguet
Buckle Material: Stainless steel

THE FUNCTIONS

Hours, minutes, subsidiary day of the week dial at 9 o'clock, subsidiary date of the month dial at 3 o'clock, moon phase indicator at 6 o'clock, 45-hour power reserve

FURTHER READING

Octagon-shaped case designed by Gerald Genta
18K white gold applied and luminescent coating Royal Oak hour/minute hands, white gold stick-shaped sub-dial hands
Stainless steel solid case back secured with eight white gold screws
Stainless steel screw-down hexagonal crown
The three-body case, lugs, and flat bezel are polished/brushed.
Integral stainless steel link bracelet with a stainless steel deployant buckle and downturned integral stainless steel lugs.
This Audemars Piguet Royal Oak ref. 25594 ST has a mechanical automatic Audemars Piguet caliber 2124 movement rhodium-plated, with fausses cue embellishment. The rotor is mounted on a ball bearing, with a peripheral mass in 22K gold. It has a round shape, 26mm diameter, thickness of 4.55 mm. It is constructed with a smooth balance in Glucydur, 33 rubies (escapement wheel with end stone), a flat balance-spring in Nivarox 1 with an adjustment device with a micrometric screw, Kif anti-shock. The plate is perlage decorated, the bridge and rotor are Vagues de Genève decorated, and Anglage finished, the screw heads are mirror-polished.
This ref. 25594 SA powered by the self-winding caliber 2124/2825 was introduced around 1984. The 2825 moon phase and day date modifiers are put on the base 2124 auto with date window movement, a JLC base caliber fine finished and adjusted at AP.
The screw-down crown controls ALL functions - day, date, moon phase, and of course, the hour and minutes.
Defining the crown positions as follows:
P0 = crown in, all the way
P1 = crown out first detente position
P2 = crown out second detente position, or all the way out
P0 is a neutral position and (I believe) allows the automatic movement to be wound manually.
P1 = to set the moon phase. Turning the crown upward (toward 12) advances the moon phase without affecting other settings or functions.
P2 = in this position, the crown controls the hour and minute hands directly. Thus, at 12 am indicated, the date advances, and at 1:30 am, the day of the week advances. Thus, as one sets the time through its 24-hour cycle, the date advances every midnight, and the day of the week advances about an hour later.
This mechanism oscillates at the frequency of 21,600 vph (3 Hz).
Serial # D-85***  1992-1993
Case, dial, and movement are all signed.
Incomplete (box, no papers)

Authentication

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Additionally, we offer a unique complimentary evaluation service, affirming our commitment to your confidence. Whether you choose to ship or bring a watch purchased elsewhere to our boutique, we thoroughly authenticate it, reinstating trust in your timepiece.

Discover our blog, team stories, and collector testimonials, unveiling a trusted partnership built on authenticity, expertise, and the seamless care embedded in our reputation at Twain Time.

Ordering & Shipping

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Warranties & Repairs

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Each pre-owned watch undergoes meticulous, non-invasive mechanical scrutiny and servicing if needed. This ensures they not only meet but exceed our stringent standards for accuracy and functionality.

Rest easy knowing that unless otherwise noted, our pre-owned watches come with a robust warranty—either full or limited—spanning twelve months. However, this doesn't cover damages from misuse or accidents. Given their age, some watches may require gentler treatment than when they were brand new.

For those watches serviced by their original manufacturers, they bear the manufacturer's guarantee, surpassing our standard warranty. To delve deeper into warranties & repairs, check out our dedicated section. And if there's any doubt, drop us a line at info@twaintime.com for absolute clarity. At Twain Time, trust isn't just a promise—it's our guiding principle.

Returns & Exchanges

At Twain Time, ensuring your satisfaction drives our return and exchange policy. You have a 5-day window for hassle-free returns from receipt, provided the product is unworn, undamaged, and retains its original tag. We offer exchanges or full refunds via the original payment method for qualifying returns.

Exceptions include personalized, worn, or damaged items, as well as missing accessories. Exchanges allow exploration of our diverse pre-owned and luxury watch selection. Return items should be unworn with all original packaging intact, and jewelry returns must maintain their original condition.

Special order items and certain criteria are exempt from the standard return policy. Our comprehensive returns and exchanges policy, available for full information, applies to in-stock items and excludes consigned, special, or custom orders. Contact us for special order exchange details.

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Notify your Twain Time Client Advisor within 3 days of receipt to request authorization for returns. International returns are accepted with buyers responsible for return shipping, customs fees, and taxes.

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