Vintage Audemars Piguet Moon Phase – 18K Yellow Gold Automatic Dress Watch
Basic Information
| Specification | Details |
|---|---|
| Brand | Audemars Piguet |
| Collection / Style | Classique / Vintage Dress Watch |
| Model | Moon Phase Automatic |
| Reference Number | Not Provided |
| Listing Code | RN0YO9 |
| Production Period | Approximately 1980s |
| Approximate Year | 1980, Supplier Estimate |
| Condition | Used – Good |
| Signs of Wear | Visible Wear Consistent with Age |
| Gender | Men’s / Unisex |
| Availability | In Stock |
| Movement | Automatic |
| Case Material | 18K Yellow Gold, as Described |
| Case Dimensions | 33 × 35mm |
| Case Thickness | 8.5mm |
| Dial Color | White |
| Strap | Custom Leather |
| Original Box | Not Included |
| Original Papers | Not Included |
Movement and Caliber
| Specification | Details |
|---|---|
| Movement Type | Mechanical Automatic |
| Caliber | Audemars Piguet 2124 |
| Winding System | Selfwinding |
| Number of Jewels | 33 |
| Rotor | Gold-Accented, as Described |
| Rotor Gold Segment | 21K Gold, as Described |
| Power Reserve | Not Provided |
| Frequency | Not Provided |
| Functions | Hours, Minutes, Moon Phase |
| Date Display | Not Described |
| Movement Condition | Servicing Claimed; Documentation Not Provided |
Case
| Specification | Details |
|---|---|
| Case Material | 18K Yellow Gold |
| Case Width | 33mm |
| Case Length | 35mm |
| Case Thickness | 8.5mm |
| Case Shape | Dress-Style Case |
| Lugs | Petite / Short |
| Crown | Unsigned |
| Crystal | Sapphire |
| Caseback | Not Specified |
| Water Resistance | Not Provided |
| Case Condition | Used – Good |
Dial
| Specification | Details |
|---|---|
| Dial Color | White |
| Dial Style | Classic Dress |
| Hour Numerals | Black Roman Numerals |
| Minute Track | Outer Minute Track |
| Hands | Slim Gold-Tone |
| Moon-Phase Position | 6 O’Clock |
| VI Numeral | Replaced by Moon-Phase Aperture |
| Date Display | Not Described |
| Dial Condition | Used – Good, Overall Listing |
Bracelet / Strap
| Specification | Details |
|---|---|
| Strap Material | Leather |
| Strap Color | Brown / Taupe, Verify |
| Strap Type | Custom-Made |
| Lug Width | 18mm |
| Clasp Type | Tang Buckle |
| Buckle Material | 18K Yellow Gold, as Described |
| Buckle Branding | Audemars Piguet Signed |
| Approximate Wrist Fit | Up to 7 Inches, as Described |
| Original Strap | Not Confirmed |
| Strap Condition | Not Separately Specified |
Functions
-
Hours and minutes
-
Moon-phase indication at 6 o’clock
-
Automatic winding
Included Accessories
| Accessory | Details |
|---|---|
| Audemars Piguet Vintage Moon Phase Watch | Included |
| Custom Leather Strap | Included |
| AP-Signed 18K Yellow Gold Tang Buckle | Included, as Described |
| Original Box | Not Included |
| Original Papers | Not Included |
| Service Documentation | Not Confirmed |
| Additional Accessories | Not Specified |
Vintage Audemars Piguet Moon Phase – 18K Yellow Gold Automatic Dress Watch
The Vintage Audemars Piguet Moon Phase is a refined expression of traditional Swiss watchmaking, combining elegant proportions, precious-metal craftsmanship, and a beautifully restrained astronomical complication.
Dating to approximately the 1980s, this distinguished dress watch features a 33 × 35mm 18K yellow gold case, a classic white dial with black Roman numerals, and a moon-phase display positioned at 6 o’clock.
Powered by the automatic Audemars Piguet caliber 2124, the watch offers the mechanical character of a vintage Swiss timepiece within an exceptionally elegant design.
Presented in good pre-owned condition, this example is fitted with a custom leather strap and an Audemars Piguet-signed 18K yellow gold tang buckle.
The Heritage of Audemars Piguet Dress Watches
Founded in 1875, Audemars Piguet has a longstanding history of producing sophisticated mechanical timepieces, including complicated watches and elegant precious-metal dress models.
Although the Royal Oak is among the brand’s most recognizable collections today, Audemars Piguet’s heritage extends far beyond luxury sports watches.
Its traditional dress watches demonstrate a more understated approach to watchmaking, emphasizing proportion, refined finishing, and mechanical sophistication.
This Vintage Audemars Piguet Moon Phase reflects that heritage through its restrained dial layout, slim yellow gold case, and elegant astronomical display.
Elegant 18K Yellow Gold Case
The watch features a case described as 18K yellow gold, measuring 33mm wide and 35mm long.
Its proportions create a classic vintage appearance, offering an elegant alternative to larger contemporary watches.
At just 8.5mm thick, the case has a slim profile suited to traditional dress-watch styling.
Petite lugs contribute to its balanced silhouette, while the unsigned crown preserves the understated character of the design.
The warmth of the yellow gold case provides an attractive contrast against the white dial and black Roman numerals.
Classic White Dial with Roman Numerals
The Vintage Audemars Piguet Moon Phase features a clean white dial that emphasizes simplicity and traditional elegance.
Black Roman numerals provide a timeless visual character, while an outer minute track introduces a subtle element of precision.
Slim gold-tone hands complement the case and create a refined contrast against the white dial.
Rather than incorporating multiple calendar subdials, this example maintains a restrained presentation centered on the essential timekeeping indications and its moon-phase complication.
The result is a beautifully balanced dial with a distinctive vintage identity.
Moon-Phase Display at 6 O’Clock
The moon-phase aperture is positioned at 6 o’clock, replacing the traditional Roman numeral VI.
This placement gives the dial a symmetrical appearance while introducing an elegant astronomical feature.
A moon-phase complication represents the changing appearance of the moon throughout its lunar cycle.
Historically associated with traditional fine watchmaking, this display adds visual interest without overwhelming the watch’s minimalist design.
The moon-phase indication is particularly attractive on this model because it serves as the dial’s principal decorative complication.
Automatic Audemars Piguet Caliber 2124
At the heart of the watch is the automatic Audemars Piguet caliber 2124.
This mechanical movement incorporates 33 jewels and uses an automatic winding mechanism to replenish its mainspring through the wearer’s natural wrist movements.
The supplied description identifies a distinctive winding rotor featuring a segment described as 21K gold.
This detail reflects the sophisticated construction associated with traditional high-end Swiss automatic movements.
The caliber contributes to the watch’s appeal as a vintage mechanical timepiece, offering an alternative to quartz-powered dress watches.
Traditional Mechanical Craftsmanship
The Vintage Audemars Piguet Moon Phase demonstrates the appeal of traditional mechanical watchmaking.
Its automatic movement operates through a coordinated system of gears, springs, and regulating components.
The moon-phase display adds another dimension to the mechanism, connecting the measurement of everyday time with the changing lunar cycle.
For enthusiasts of vintage horology, the relationship between elegant exterior design and intricate internal engineering is an important part of the watch’s character.
This combination of technical craftsmanship and restrained aesthetics distinguishes the model from more elaborate contemporary complications.
Slim 8.5mm Dress-Watch Profile
With a case thickness of 8.5mm, this Audemars Piguet offers the refined proportions associated with classic dress watches.
The relatively compact case and petite lugs contribute to its understated wrist presence.
Its 33mm width reflects the design preferences of its era, when elegant mechanical watches were frequently produced in smaller sizes.
These proportions can appeal to collectors seeking a traditional vintage fit, regardless of modern gender-based watch classifications.
The slim profile also complements the watch’s classic leather strap.
Custom Leather Strap and Gold Buckle
The watch is fitted with a custom-made leather strap described as taupe in the detailed supplier notes and brown in the structured specifications.
The leather strap complements the warmth of the yellow gold case while reinforcing the timepiece’s traditional dress-watch character.
The 18mm lug width of the Vintage Audemars Piguet Moon Phase maintains a balanced relationship with the compact case.
An Audemars Piguet-signed 18K yellow gold tang buckle completes the configuration, adding a distinctive precious-metal detail.
The supplied strap is described as fitting a wrist circumference of approximately 7 inches.
Sapphire Crystal and Vintage Construction
The Vintage Audemars Piguet Moon Phase is listed with a sapphire crystal protecting its white dial.
Sapphire is valued in watchmaking for its resistance to many everyday scratches and its optical clarity.
The crystal complements the watch’s refined appearance while providing protection for the dial and hands.
No water-resistance rating has been supplied for this vintage example.
As with other older mechanical watches, exposure to moisture should be avoided unless its seals and water resistance have been professionally assessed.
A Distinctive 1980s Audemars Piguet
This watch captures the understated elegance associated with traditional Audemars Piguet dress models from the 1980s.
Its yellow gold construction, white Roman numeral dial, and discreet moon-phase aperture create a sophisticated appearance without unnecessary ornamentation.
The combination of a compact case, slim profile, and automatic movement makes it particularly appealing to collectors who appreciate vintage proportions and traditional Swiss craftsmanship.
Unlike the bold architectural design of the Royal Oak, this model offers a quieter interpretation of Audemars Piguet’s watchmaking heritage.
Vintage Condition and Service History
This particular example is dated to approximately 1980, with the supplier describing it more broadly as a watch from the 1980s.
The Vintage Audemars Piguet Moon Phase is presented in good pre-owned condition, with visible signs of age and wear consistent with its classification.
The listing records an in-house service dated May 23, 2026, although the descriptive notes also refer to servicing before shipment. The exact completed service work should therefore be confirmed.
The watch is supplied without its original Audemars Piguet box or papers.
Discover the Vintage Audemars Piguet Moon Phase
The Vintage Audemars Piguet Moon Phase offers an elegant combination of precious-metal craftsmanship, traditional mechanical watchmaking, and understated astronomical design.
Its 18K yellow gold case, white Roman numeral dial, automatic caliber 2124, and discreet moon-phase aperture create a distinctive expression of vintage Swiss luxury.
With its slim 8.5mm profile, custom leather strap, and Audemars Piguet-signed gold buckle, this circa-1980s example is an appealing choice for collectors who value classic proportions and sophisticated simplicity.
Presented in good pre-owned condition, it represents a compelling addition to a collection of vintage Audemars Piguet dress watches.
