A fake Ladybird 6688 is a replica of the Rolex Lady-Datejust listed under the seller code 6688. The number is not a Rolex reference. It is a marketplace style code that bundles one case size, dial finish, and bracelet type into a single listing.
So the code describes a configuration, not a factory or a quality grade. Two sellers can both list a "6688" and ship watches built in different workshops with different movements.
Is 6688 a real Rolex reference number?
No. Rolex stamps Lady-Datejust references in a five or six digit format, and those numbers appear on the case between the lugs and on the paperwork. References from the line run from the vintage 69173 family to the modern 279173 family.
A four digit code such as 6688 does not fit that pattern. It also does not appear in Rolex catalogs. Treat it as shorthand invented for online listings.
Where the "Ladybird" nickname comes from
The name Ladybird started with a small Rolex ladies' watch from the 1950s and later attached itself to the 26mm Lady-Datejust. That 26mm case is the size most buyers picture when they search the nickname today.
Rolex no longer builds the 26mm Lady-Datejust. Current sizes run 28mm and up, which is why replica listings that say "Ladybird" often mean the older small case while a "6688" tag may point to a newer, larger one.
If the seller does not state the case size in millimeters, you cannot know which watch you are buying.
What a 6688 listing tends to include
- Case size in the 26mm to 31mm range
- Jubilee or Oyster bracelet
- Fluted or smooth bezel
- Champagne, silver, or mother-of-pearl dial
- Steel or two-tone finish
Those five choices drive most of the price gap between one 6688 listing and the next. A two-tone watch with a fluted bezel and a gold-wrapped bracelet costs more to build than a plain steel model.
How to judge a Ladybird replica before you pay
1. Case size and proportions
Ask for the exact millimeter measurement of the case without the crown. A 26mm original next to a 28mm copy looks wrong on the wrist, and the bracelet width changes with it.
Lug width should match the case size. On the small Lady-Datejust the bracelet tapers, and a copy that skips the taper feels bulky.
2. Movement
The movement sets the price tier. Japanese quartz sits at the bottom, a Japanese automatic in the middle, and a Swiss-style automatic clone at the top.
Ask the seller to name the movement and its beat rate. A 28,800 vph automatic ticks in eight steps per second, which you can hear if you hold the watch to your ear.
3. Dial printing and date window
Check the coronet, the text spacing, and the date magnifier. The original cyclops magnifies the date about 2.5 times; cheap copies use a weaker lens and the date looks small.
Dial text on a good copy sits level with the markers and does not crowd the date window.
4. Bracelet, clasp, and end links
On a Jubilee, count the five links across the bracelet. Solid center links feel heavier and hold shape; folded links rattle.
The clasp should close with a firm click and the crown on the clasp should sit centered.
5. Weight and finish
A 26mm steel watch is light by design, so weight alone proves little. Look at the polish instead. Sharp case edges, clean brushing, and a smooth bezel reflect light in one line rather than scattering it.
Red flags in a "6688" listing
- Stock photos of a genuine watch instead of the actual item
- No movement named anywhere in the listing
- Price far below every other listing for the same configuration
- Labels such as "AAA" or "master copy" used as a quality claim
- No return window and no tracking
- Case size missing from the title
Any one of these is a reason to slow down. Two or more together mean you are gambling.
Questions to send the seller
- What is the case diameter in millimeters?
- Which movement is inside, and what is its beat rate?
- Is the bracelet solid link or folded link?
- Can you send photos of the actual watch, not catalog images?
- What is the return policy if the size is wrong?
Checklist at delivery
- Measure the case with calipers or a ruler
- Set the time and watch the second hand sweep
- Check that the date flips at midnight, not at noon
- Flex the bracelet and listen for rattle
- Compare the dial text against reference photos
FAQ
Does 6688 point to one factory?
No. Replica workshops do not publish public model codes. Sellers invent numbers to organize inventory, and the same number can appear on watches from different workshops.
Should a Ladybird 6688 come with box and papers?
Boxes and cards are easy to print, so they prove nothing about the watch. Judge the case, movement, and bracelet instead.
How much should one cost?
Pricing depends on movement and finish, not on the code. Ask what the movement is, then compare that answer across sellers.
Can I wear a 26mm Ladybird if my wrist is large?
You can, but the watch will sit small. Try a 31mm or 34mm if you want more presence on the wrist.
Quick recap
The code 6688 is a seller tag, not a Rolex reference. Use it as a starting point, then confirm the case size, movement, bracelet, and dial details before you buy. Those four answers decide whether the watch is worth the price.