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Description
First, please be sure to read the following. (The description of the item for sale is below the notes.)
This is due to a lot of mischief, your cooperation is appreciated.
To prevent troubles, I ask that only those who can agree to the following bid on this item.
* Please note that all comments are interpretations of an amateur and that there may be individual differences in understanding or omissions in writing. Therefore, I promise no claims or returns in any case. I will not accept any complaints such as, "It wasn’t in the photos," "There were some differences in the description," or "It’s not what I expected..." Should you have any concerns, please be sure to inquire through the Q&A before bidding.
Once the auction finishes, please refrain from further inquiries and complete them while the item is still listed.
* This is a used item. Please check the appearance via photos, and refrain from bidding if you are particular about such details.
Also, there may be missed details and omissions, so please be advised in advance.
For mechanical items, unless otherwise noted, I have not confirmed the functionality, and I do not guarantee the operation. Basically, after receiving the item, please handle any necessary repairs on your own.
I also do not respond to questions regarding authenticity or whether it is full original, as I cannot guarantee how much is original due to the possibility of redials or part replacements in older items. If you seek certainty, please purchase at a shop.
* I may cancel bids from accounts with low ratings or zero feedback to prevent mischief. Thank you for your understanding.
If you wish to purchase, please contact me via the Q&A.
If a bidder with a bad review who has not read the description, or a new account wins the auction, I will immediately cancel the auction. Please keep this in mind as well.
* If the winning procedures are not completed within 12 hours of winning and payment within 24 hours, I will cancel the auction. (Of course, if there are any issues regarding transfer, please consult, and I will accommodate.)
Please note and inform me via the Q&A if you believe you cannot make a timely response or payment.
Also, after receiving the item, please promptly complete the receipt procedures. If you do not notify me of your receipt within 24 hours after arrival, entries that are declined or cannot be contacted will be registered on the blacklist and will be denied future transactions.
* I generally do not accept payments via Yahoo Auction clones (Aplus) because they take too long.
* I will not accept bids canceled. Please bid responsibly.
* If there have been any troubles in any transactions, or if I feel uncomfortable working with a bidder, I will register the account on the blacklist, and you will no longer be able to ask questions or engage in transactions. Please be cautious.
* Occasionally, though I am not operating as a professional business, I will not engage in transactions with overly arrogant individuals. Please adhere to at least the minimum level of interpersonal manners.
* If the item is sold elsewhere, there is a possibility of cancellation without notice.
If bids are below my expected price, I may cancel even if there is a bid or win.
Many people bid at the last minute, but I believe I will often need to withdraw the auction beforehand. Please keep this in mind.
* For items at a fixed price, there may be room for negotiation. Please indicate your desired price via the Q&A.
Also, based on the individual item, if there are no bids, there is a possibility to raise the price.
* Note that on Yahoo Auctions, default delivery is via parcel delivery. If you wish for it to be in-person delivery, please request this with the delivery service after shipment.
★ About the item ★
The Rolex Daytona is a highly popular model, especially the vintage 16520 that features the first automatic movement based on El Primero with a caliber 4030. This particular model has a white dial and is an earlier version with the sub-dial 6 at 6 o’clock being reversed into 9, indicating a specific production period; the luminescence is Tritium. The bracelet is from the earlier period featuring a single buckle, and the serial number is very rare with an alternating serial of X666〜. There are minor scratches present, but no significant damages that would hinder use, and it is functioning smoothly as confirmed at the time of listing.
This is due to a lot of mischief, your cooperation is appreciated.
To prevent troubles, I ask that only those who can agree to the following bid on this item.
* Please note that all comments are interpretations of an amateur and that there may be individual differences in understanding or omissions in writing. Therefore, I promise no claims or returns in any case. I will not accept any complaints such as, "It wasn’t in the photos," "There were some differences in the description," or "It’s not what I expected..." Should you have any concerns, please be sure to inquire through the Q&A before bidding.
Once the auction finishes, please refrain from further inquiries and complete them while the item is still listed.
* This is a used item. Please check the appearance via photos, and refrain from bidding if you are particular about such details.
Also, there may be missed details and omissions, so please be advised in advance.
For mechanical items, unless otherwise noted, I have not confirmed the functionality, and I do not guarantee the operation. Basically, after receiving the item, please handle any necessary repairs on your own.
I also do not respond to questions regarding authenticity or whether it is full original, as I cannot guarantee how much is original due to the possibility of redials or part replacements in older items. If you seek certainty, please purchase at a shop.
* I may cancel bids from accounts with low ratings or zero feedback to prevent mischief. Thank you for your understanding.
If you wish to purchase, please contact me via the Q&A.
If a bidder with a bad review who has not read the description, or a new account wins the auction, I will immediately cancel the auction. Please keep this in mind as well.
* If the winning procedures are not completed within 12 hours of winning and payment within 24 hours, I will cancel the auction. (Of course, if there are any issues regarding transfer, please consult, and I will accommodate.)
Please note and inform me via the Q&A if you believe you cannot make a timely response or payment.
Also, after receiving the item, please promptly complete the receipt procedures. If you do not notify me of your receipt within 24 hours after arrival, entries that are declined or cannot be contacted will be registered on the blacklist and will be denied future transactions.
* I generally do not accept payments via Yahoo Auction clones (Aplus) because they take too long.
* I will not accept bids canceled. Please bid responsibly.
* If there have been any troubles in any transactions, or if I feel uncomfortable working with a bidder, I will register the account on the blacklist, and you will no longer be able to ask questions or engage in transactions. Please be cautious.
* Occasionally, though I am not operating as a professional business, I will not engage in transactions with overly arrogant individuals. Please adhere to at least the minimum level of interpersonal manners.
* If the item is sold elsewhere, there is a possibility of cancellation without notice.
If bids are below my expected price, I may cancel even if there is a bid or win.
Many people bid at the last minute, but I believe I will often need to withdraw the auction beforehand. Please keep this in mind.
* For items at a fixed price, there may be room for negotiation. Please indicate your desired price via the Q&A.
Also, based on the individual item, if there are no bids, there is a possibility to raise the price.
* Note that on Yahoo Auctions, default delivery is via parcel delivery. If you wish for it to be in-person delivery, please request this with the delivery service after shipment.
★ About the item ★
The Rolex Daytona is a highly popular model, especially the vintage 16520 that features the first automatic movement based on El Primero with a caliber 4030. This particular model has a white dial and is an earlier version with the sub-dial 6 at 6 o’clock being reversed into 9, indicating a specific production period; the luminescence is Tritium. The bracelet is from the earlier period featuring a single buckle, and the serial number is very rare with an alternating serial of X666〜. There are minor scratches present, but no significant damages that would hinder use, and it is functioning smoothly as confirmed at the time of listing.
Rare Alternating Serial! Rolex Daytona 16520 Reverse 6 Tritium Single Buckle El Primero Vintage
Sold For
3,750,000 Yen ($24038.46)
Bids 0Quantity 1Watch 0
Ships from Japan
Win it and it arrives at our Tokyo warehouse. We combine your items into one international shipment, billed at actual carrier cost.
Auction Ended
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End Time
2026-01-08 13:02:54 JST
Bid History
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Collector Commentary
The Rolex Daytona 16520 represents a critical chapter in chronograph history—the first automatic Daytona with the legendary El Primero-based caliber 4030. This example's alternating serial number (X666-series) and Reverse 6 dial variant are hallmarks of ultra-early production (circa 1987–1988), making it highly sought by vintage watch specialists. Tritium lume and the single-buckle bracelet further authenticate the early production window; these details command premiums among purists who track dial printing variations and movement transitions. Condition heavily influences value in this segment—light scratching is expected on decade-plus vintage pieces, but dial integrity and movement provenance (whether original or serviced) are decisive factors.