My two cents

While I don’t have both watches and ultimately the answer is what always comes up which is it is entirely a personal preference but here is my two cents. I do see the differences between the 1815 AC and the 1815 up/down (especially the fact that the up/down has the signature Lange sub-dials off-centered (below the middle of the dial) as opposed to the AC). However, the two do look similar in so many ways. The deciding point for me, however, is that you also have the Lange 1 which, together with the AC, covers so much of what I think you may be after with the up/down. I wonder how often you will reach for the up/down as opposed to the Lange 1 or AC. You certainly can’t go wrong with the up/down in your collection (it is beautiful), but I could see you holding off for something that is a bigger contrast to what you currently have in your collection. Keep us posted with your decision!

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Anyone with both 1815 up/down and 1815 AC in same collection?

By: icecube4000 : April 11th, 2020-18:32

I currently have two Lange watches, Lange 1 in RG and 1815 AC in WG. My wrist size is 6.5 inches~. After getting my Lange 1, I was contemplating between 1815 up/down and 1815 chrono for the longest of time. Although I preferred the up/down aesthetically, ...

The smallest high end Lange

By: sham1 : April 11th, 2020-19:33

is actually the 1815 chrono and at 39.5mm if you find that it does not fit your wrist well, it is unlikely any other high end Lange would fit your wrist well as they are all much larger. The 1815 up and down is a great watch with a gorgeous dial and accur...

It’s the lug to to lug length

By: icecube4000 : April 11th, 2020-19:57

1815 up/down, 39.5mm in diameter, is 46mm lug to lug. My 1815 AC, 40mm in diameter, is 47mm lug to lug. The 1815 chrono lug to lug length is 48.2mm which is an issue for me. And yes, you are right, the Datograph is 48.2mm also and the basic Zeitwark model...

I have sold them all

By: sham1 : April 11th, 2020-20:23

as they had all disappointed me for one reason or another. Just me I guess. A Lange One, an 1815 chrono, a 1815 up and down, a 1815 in 38.5mm, a Saxonia in 37mm and a 1815 moonphase in honey gold. Despite various setbacks with these watches, I am still co...

My two cents

By: Bek2 : April 11th, 2020-19:38

Congratulations for a very safe taste in watches

By: Boris : April 11th, 2020-20:47

Both the RG Lange 1 and the WG 1815 AC are wonderful watches. You've already done extremely well with those. I "only" own a WG 1815 Up / Down, and while I absolutely love everything about this watch, I think it might be a bot too similar to your AC. If yo...

I would not buy the up down for sure. Its not just the dial.

By: Reuven Malter : April 11th, 2020-23:36

Its the movement that looks more similar than any other lange movement. You could think about the Richard Lange or an older limited edition like the emil lange or even the nice and affordable 1815 sidestep, but i would wait until something new comes to th...

To me the

By: watch-er : April 12th, 2020-06:15

1815 Chrono comes close to being a perfect watch and I have a small wrist. The UP and Down seems out of balance to me.

Have you considered?

By: ianny : April 12th, 2020-12:04

the Lange Saxonia Annual Calendar? It wears smaller than the 1815 AC with a lug to lug distance of 47.4 mm. It also has a nice outsize date (Lange DNA!) - it makes sense to want to have a legible date on an AC. Also, in my opinion the layout is more balan...