Audemars Piguet Royal Oak Day-Date
Moonphase Gold Steel Ref 25594SA from 1990s Day Date Moonphase Fresh Serviced Gold Steel
Basic Info
Listing code : QIRB21
Brand : Audemars Piguet
Model : Royal Oak Day-Date
Reference number : 25594SA.OO.0789SA.06
Movement : Automatic
Case material : Gold/Steel
Bracelet material : Gold/Steel
Year of production : 1990 (Approximation)
Condition : Used (Very good)
Most Recent Servicing : January 19, 2026
Scope of delivery : No original box, no original papers
Gender : Men's watch/Unisex
Location : Belgium, Gent
Price : 25,900
Availability : Item is in stock
Caliber
Movement : Automatic
Caliber/movement : Audemars Piguet
Case
Case material : Gold/Steel
Case diameter : 36 mm
Water resistance : Not water resistant
Bezel material : Yellow gold
Crystal : Sapphire crystal
Dial : Silver
Dial numerals : No numerals
Bracelet/strap
Bracelet material : Gold/Steel
Bracelet color : Gold/Steel
Clasp : Fold clasp
Clasp material : Steel
Functions
Moon phase, Date
Other
Only Original Parts, Vintage
Audemars Piguet Royal Oak Day-Date Moonphase Ref. 25594SA – Steel & Yellow Gold, 1990s – Iconic Gérald Genta Design with Classic Complication
We are proud to present this outstanding Audemars Piguet Royal Oak Day-Date Moonphase, Ref. 25594SA, dating from the 1990s—a refined and highly collectible interpretation of Gérald Genta’s legendary Royal Oak design, elevated by useful and beautifully executed horological complications.
Crafted in the iconic two-tone combination of stainless steel and 18K yellow gold, this reference strikes the perfect balance between sportiness and understated luxury. With its silver dial, balanced triple-calendar layout, and exquisitely hand-painted moonphase, this watch represents one of the most elegant and wearable complicated Royal Oaks of the era.
Heritage & Design
Introduced as part of Audemars Piguet’s expansion of the Royal Oak line into complicated territory, the Ref. 25594SA preserves the purity of the original 1972 design while adding real mechanical depth. The instantly recognizable octagonal bezel with exposed screws, integrated bracelet, and slim 36mm case make this a quintessential Royal Oak—timeless, architectural, and unmistakably AP.
The silver dial provides a clean and harmonious backdrop for the day, date, and moonphase indications. Of particular note is the moonphase disc, featuring a beautifully hand-painted moon—an artisanal detail rarely seen today and a highlight for collectors who appreciate traditional craftsmanship.
Features & Condition
Movement: Recently serviced and running excellently, ensuring reliable performance and peace of mind
Dial: Original Audemars Piguet silver dial with day, date, and moonphase complications
Moonphase: Stunning hand-painted moonphase disc, rich in detail and character
Hands: Original Audemars Piguet hands with tritium lume, showing attractive and even aging
Case: 36mm Royal Oak case in stainless steel and 18K yellow gold, well-proportioned and highly wearable
Crystal: Original sapphire crystal
Crown: Original Audemars Piguet crown
Bracelet: Long original Royal Oak bracelet with 3 extra links, fitting up to approx. 19.5cm wrist
Reference: 25594SA
Era: Circa 1990s
Why Collect This Watch?
The Royal Oak Ref. 25594SA offers everything collectors seek: iconic design, genuine complications, precious-metal accents, and exceptional everyday wearability. Unlike simpler time-only models, this reference adds true horological substance while maintaining the clean aesthetics that define the Royal Oak.
With its honest originality, fresh service, and complete two-tone presence, this watch represents outstanding value in the world of complicated Audemars Piguet Royal Oaks. Whether as a daily companion or a cornerstone of a serious collection, it is a watch that effortlessly blends history, craftsmanship, and timeless design.