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The Vacheron Constantin Overseas Perpetual Calendar Ultra-Thin 4300V/220G-H119 is a 41.5 mm white-gold watch with an 8.1 mm case, an azure dial and three supplied wear options. The Audemars Piguet Royal Oak Selfwinding Perpetual Calendar Ultra-Thin RD#2, reference 26586IP.OO.1240IP.01, is slimmer: AP lists a 6.3 mm case and a 2.89 mm movement. Those are distinct designs, not interchangeable examples of every Overseas and Royal Oak perpetual calendar. The clearest choice is between the Overseas’s supplied bracelet-and-rubber flexibility and the RD#2’s notably thin profile.
Which Royal Oak is being compared?
“Royal Oak Perpetual Calendar” names a family, not one specification. The comparison here uses the Royal Oak Selfwinding Perpetual Calendar Ultra-Thin RD#2, reference 26586IP.OO.1240IP.01, because it is the Royal Oak perpetual calendar with the cited 2.89 mm movement and 6.3 mm case. Those measurements should not be applied to other Royal Oak perpetual-calendar references. Audemars Piguet’s history distinguishes the RD#2’s Calibre 5133 from Calibre 5134, used in the separate reference 26574 (AP’s Royal Oak calendar history).
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How do the cases and materials differ?
| Feature | Overseas 4300V/220G-H119 | Royal Oak RD#2 26586IP.OO.1240IP.01 |
|---|---|---|
| Case material | 18K white gold | Titanium and 950 platinum |
| Case diameter | 41.5 mm | Not stated on the cited AP product page |
| Case thickness or height | 8.1 mm | 6.3 mm |
| Movement thickness | 4.05 mm | 2.89 mm |
| Water resistance | 50 m | Not stated on the cited AP product page |
Vacheron Constantin’s official listing describes the Overseas as having a transparent sapphire back and an antimagnetic marking. AP’s cited RD#2 listing identifies the titanium-and-platinum construction and its slim dimensions. Case shape, bezel treatment and material are part of the design distinction, but the available figures do not establish a like-for-like assessment of comfort, durability or legibility. See the Vacheron Constantin product listing and Audemars Piguet RD#2 listing.
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Overseas: azure dial and hand-led indications
The 4300V/220G-H119 has an azure lacquered dial, a sunburst satin-finished centre and a velvet-lacquered outer minute track. Snailed counters, white-gold hands and markers, blue Super-LumiNova, and a white-gold moon-phase disc and moon complete the display. Its perpetual calendar indicates the day and month with hands, alongside the date, a 48-month leap-year counter and moon phase. Vacheron Constantin says the calendar is accurate until 2100.
RD#2: confirm the exact variant’s display
AP’s historical entry for the RD#2 lists day, date, month, moon phase and leap year. That is the evidence for the display functions here; check the manual and product details for the particular Royal Oak reference under consideration rather than assuming every model uses the same layout or movement.
How do the movements compare?
The Overseas uses self-winding Calibre 1120 QP. Vacheron Constantin lists a diameter of 29.6 mm, thickness of 4.05 mm, 276 parts, 36 jewels, a frequency of 19,800 vibrations per hour (2.75 Hz) and a 40-hour power reserve. The manufacturer states that the movement carries the Hallmark of Geneva.
Rank #2
- EASY TO FIT AND ADJUST: This band is designed to fit your favourite watch, easily replace your old band or adjust the size to fit perfectly on your wrist.
- COMFORTABLE AND DURABLE: This watch band is made of high-quality materials that are soft, flexible and wear-resistant, ensuring long-lasting comfort and durability.
- STYLISH AND VERSATILE: With its sleek and modern design, this watch band will add a touch of elegance to your attire for both casual and formal occasions. It fits most traditional and smart watches with standard lug width.
- SAFE AND SECURE: This watch band is equipped with a stainless steel buckle to ensure a safe and secure fit, preventing the watch from slipping or being lost accidentally.
- MULTIPLE COLOURS AND SIZES AVAILABLE: Available in a wide range of colours, you can choose a strap that matches your personal style or mood, making your watch suitable for any occasion.
AP lists the RD#2’s Calibre 5133 at 2.89 mm thick. The manufacturer describes the RD#2 as the world’s thinnest automatic perpetual-calendar wristwatch; that is AP’s claim for reference 26586IP.OO.1240IP.01, not an independently audited ranking. AP’s history says Calibre 5133’s architecture set a new self-winding perpetual-calendar thinness record in 2018. The cited RD#2 product page does not state a power reserve, so a figure should not be inferred or borrowed from another Royal Oak.
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Vacheron Constantin specifies a polished and satin-finished white-gold bracelet, plus two rubber accessories: white and blue denim. Interchangeability is part of the listed configuration, giving the reference three supplied wear options. The listing describes it as a limited edition of 200 pieces and says the watch carries the Hallmark of Geneva. These are reference-specific statements from the manufacturer, not evidence of current stock or price.
Rank #3
- High quality material, waterproof, soft and durable rubber resin.
- Packing include: 1x 25*8mm Silicone watch strap, 1 x replacement remove tool.
- CYKLDS watch band Compatible with Vacheron Constantin Overseas Band Width: 25mm*8mm.
- Please measure the width of the connecting part where the band attached to the watch before placing order.
- Watch strap is vintage style, versatile and suitable for any occasion. Wearing this strap can increase your personal charm.
The cited RD#2 product information does not establish a comparable set of supplied alternative straps, edition quantity, current retail availability or price. A like-for-like comparison on those points is therefore not available from the cited specifications.
What does the Royal Oak calendar history add?
AP dates the appearance of a Royal Oak perpetual calendar to 1984. Its history places the RD#2’s Calibre 5133 in a 2018 milestone and separately identifies Calibre 5134 in reference 26574. This lineage helps explain why “Royal Oak Perpetual Calendar” needs a reference number: the name covers watches with different generations and specifications. AP’s history also names its 2018 book Audemars Piguet 20th Century Complicated Wristwatches; its current availability is not established here.
Rank #4
- High quality material, waterproof, soft and durable rubber resin.
- Packing include: 1x 25*8mm Silicone watch strap, 1 x replacement remove tool.
- CYKLDS watch band Compatible with Vacheron Constantin Overseas Band Width: 25mm*8mm.
- Please measure the width of the connecting part where the band attached to the watch before placing order.
- Watch strap is vintage style, versatile and suitable for any occasion. Wearing this strap can increase your personal charm.
Which design is the better fit?
- Choose the Overseas as the stronger match if the specific appeal is its azure-and-white-gold dial treatment, the Hallmark of Geneva stated for this reference, or the included bracelet and two rubber options.
- Choose the RD#2 as the stronger match if the defining priority is the thinner stated case and movement, and the titanium-and-platinum construction.
- Inspect the exact watch before deciding on wearability. Dimensions and materials alone do not establish how either watch will feel on a particular wrist, how readable its calendar will be in use, or which finish a buyer will prefer.
Neither specification set establishes a general winner for value, comfort, durability, service needs or resale performance. Those questions require evidence beyond the cited product and history pages.
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Quick Recap
Best Value
- EASY TO FIT AND ADJUST: This band is designed to fit your favourite watch, easily replace your old band or adjust the size to fit perfectly on your wrist.
- COMFORTABLE AND DURABLE: This watch band is made of high-quality materials that are soft, flexible and wear-resistant, ensuring long-lasting comfort and durability.
- STYLISH AND VERSATILE: With its sleek and modern design, this watch band will add a touch of elegance to your attire for both casual and formal occasions. It fits most traditional and smart watches with standard lug width.
- SAFE AND SECURE: This watch band is equipped with a stainless steel buckle to ensure a safe and secure fit, preventing the watch from slipping or being lost accidentally.
- MULTIPLE COLOURS AND SIZES AVAILABLE: Available in a wide range of colours, you can choose a strap that matches your personal style or mood, making your watch suitable for any occasion.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
