A. Lange & Söhne

Looks like the Pisa but it isn't. I've read that this was made for a Lange executive. Congrats.
Ian

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The best combination of DATO, as well as PISA.

I will contact you next time I visit your city to take pics of it if you don't mind!

Thanks!

Fx

Pisa has got a blued second hand. This message has been edited by ianny on 2015-10-30 13:46:15

So I don't know...

Let me know when and we meet up. My pleasure.

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That piece is sick! Wear it well!

Tony

... what is the reference number on the warranty card? And what more can you tell us about this watch?

The "true" reference number for this watch -- a PT Dato with rhodium dial and rhodium second hand -- is 403.025. At least one was made, sold by Huber in November 2001. Supposedly this same case/dial/hand combination, but with a diamond bezel, was made as a unique piece for the Sultan of Bahrain.

The "Pisa Datograph" (ref. no. 403.025X) looked just like this except with blue steel second hand, as others pointed out. Ten were made, and it's possible there are a few more floating around out there (though not part of the limited series of 10 that came with 2 casebacks and 2 straps -- the "Pisa").

I am very curious if your watch originally came with that dial color and that rhodium second hand, or if the dial and/or second hand were changed later (back when Lange did such things). I hope you are willing to share that information, as well as the reference number on the warranty card (probably 403.0??), and thanks for the wonderful photo!
This message has been edited by CR on 2015-10-30 17:34:41

And as i was writing this article i asked A. Lange & Söhne about the reference numbers of the
rare versions. They told me that the single pieces made for VDO or Lange people have the same
reference number like the normal Platinum version.
Kind regards!
Sascha

I have a copy of the extract letter that Lange sent to a subsequent owner for the blue dial piece. That extract is dated Dec. 19th 2005, and Lange confirmed in writing that its ref. no. is 403.035 -- same as the usual PT/black dial Datograph, just as you said. Unfortunately, I believe that the original warranty card (assuming one was actually issued) was lost, so I cannot confirm that the original warranty card said 403.035. Lange had some inconsistent records during the early days, so I wouldn't be surprised if the original warranty card was different.
The PT, rhodium dial, rhodium second hand piece that was made for a former Lange exec (Dr. Frank Müller, I believe) definitely had ref. no. 403.025. That is the reference number typed by Lange onto its warranty card (along with the typed caseback number, which matches the caseback of the watch itself). That warranty card is dated Nov. 27, 2001, and came through retailer Huber in Munich. I am unaware of any other piece bearing this 403.025 reference number on its warranty card. If the watch shown in this post (which is definitely a different piece) bears that reference number on its warranty card -- which it should, if it came that way from the factory -- then it would be the second known one, I believe. Of course, regardless of the reference number on the warranty card, it appears to be the same case/dial/hand combination.

... one of the Datograph with blue dial and one of the watch with the rhodium dial / hand and i asked them about the reference numbers.
The written answer was that these two watches have the same reference numbers like the regular Datograph. Thats all i can say.

First, Lange used to accommodate many special requests (such as the hand color change in Luc's watch). That makes it difficult to determine whether a watch actually left the factory in its current condition, or whether Lange changed a dial, hands, etc., later.

Second, Lange's early reference number system was somewhat random and inconsistent. The Tourbillon "Pour Le Merite" series illustrates this nicely:  Supposedly the only difference between ref. no. 701.001 and 701.002 was the strap color!

Third, Lange had some sort of computer system switchover around the year 2000 -- maybe around the time Richemont stepped in -- and that switchover apparently makes it difficult for Lange to cross-reference information for early watches. If you can provide Lange with a specific caseback number, then I believe they can look up that caseback number and tell you the reference number with certainty. But if you don't have the caseback number -- if you have only a photograph of the dial -- then they often can't tell you the reference number with certainty. They can offer only a best guess, which is usually (but not always) correct. The piece that you referenced, vs. Luc's watch, illustrates this: They are identical in appearance, but one has a warranty card that says 403.025 (it pre-dated the "Pisa" series), and the other has 403.025X because it was part of the "Pisa" series but had a "custom" second hand in rhodium rather than blue steel.

The model nr on my certificate is 403.025X and this Datograph Pisa number x/10 came with the Rhodium second hand- on special request- instead of the blued steel.......

quite special indeed.

And the guarantee card co-signed by Walter Lange and Orologeria Pisa.

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help provide more info on this datograph. I am still learning and researching on datograph as its definitely one of the watches that I want to own in less than 6 months.
Thanks for the pixs and willingness to share.
Sincerely appreciated.