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Is It Possible To Put A Eta 2892 Date Wheel On The 2836 By Changing Some Parts To 2824?

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number98 WRT Addict

number98

Posted
Posted

Hi I tried putting the eta 2892 datewheel on the 2836 but it doesn't work. As the 2836 is much higher. So that lead me wondering, if I change the date driving wheel, jumper spring, date corrector, minute clock bridge to eta 2824 type, will it work? Thanks.

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bobm12 Distinguished Member

bobm12

Posted
Posted

Personally, I've never done that. I believe that being different "families" it shouldn't work but maybe other members know different. I would be interesting to see other opinions.

 

Cheers,

 

Bob

number98 WRT Addict

number98

Posted
  • Author
Posted

Personally, I've never done that. I believe that being different "families" it shouldn't work but maybe other members know different. I would be interesting to see other opinions.

Cheers,

Bob

Yeah. I hope mark or someone could chimp in and help. The three of them are under the same family! They are under the 28xx family. I had success by putting a 2892 date wheel on a 2824 in the past. But now on the 2836 it's a different story. I searched on google and came across a thread from wus(presumably) and there was a guy who asked whether could he put a 2893 dw on 2836 the answer was no. Because the 2836 dw is stepped up by 0.4mm to allow clearance for the day wheel indexing mechanism. No wonder I compared 2836 and 2892, the 2892 is flat unlike the 2836 is thicker. So I was wondering does changing the parts to a eta 2824 and plus removing the unlock yoke plate, unlock yoke spring and unlock yoke will make it work? Or do I need to buy a eta 2824 main plate?? Thanks!

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Geo Distinguished Member

Geo

Posted
Posted

Hi number98, like Bob I wish I had an answer for you. Without having two movement in front of me for comparison, I wouldn't even like to hazard a guess. :(

  • Like 1
Mark Distinguished Member

Mark

Posted
Posted

I don't have both movements here to check but I don't think it's possible (from memory).

  • Like 1
bobm12 Distinguished Member

bobm12

Posted
Posted

Hi number98

 

Check this out! From Ranfft:

 

 

ETA_2824.jpg
Fig. 1

Eterna_12824.jpg
Fig. 2

Eterna_12824-1.jpg
Fig. 3
  ETA 2824

Features
automatic
sweep second
date: quickset
option: hack feature

Data
11.5''', Dm= 25.6mm, Do= 26.0mm
H= 4.6mm (H= 4.7mm with ball bearing)
F= 1.2mm
T= 1.8mm
17/21/25 jewels
f = 28800 A/h
power reserve 40h

Balance staff ETA 2801

Stem W3408

Mainspring / battery
1.20 x 11.0 x 0.115mm

Hands
1.50 x 0.90 x 0.25mm

Comments about the data
Remarks
1971-1979, 1618952

family/generations:
28800 A/h
2801: manual wind
2804: manual wind, date
2816: manual wind, day, date
2824: automatic, date
2826-2: automatic, big date
2828: automatic, day, date
2930: automatic, day, date, Triovis regulator
2834: automatic, day at 12h, date, 13'''
2836: automatic, day 2 languages, date
36000 A/h
2819: manual wind
2806: manual wind, date
2817: manual wind, day, date
2826: automatic, date
2832: automatic, day, date
2837: automatic, day 2 languages, date
2838: automatic, day at 12h, date, 13'''
suffix -1, -2, J2: generations, variants
not all versions in all generations

Example, year: signature; shock device
1) ca. 1975: Solvil & Titus Geneve, Swiss Made, 25 Jewels; Incabloc
2-3) ca. 1975: 014, Eterna-Matic, Brevete Swiss, 25 Jewels - Patented; Kif-Ultraflex
Not for Sale!
The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.

So there you have it, different families! No 2892 here. If you search Ranfft, you will find that the 2892 is a "different animal" for this purpose. Of course this is not written in stone and I might be wrong (I welcome corrections) and in the end there might be interchangeable parts here and there but not necessarily what you are looking for.

 

In any case, I wish you luck with the project and please keep us in the loop!

 

Cheers,

 

Bob

  • Like 1
number98 WRT Addict

number98

Posted
  • Author
Posted

Hi number98, like Bob I wish I had an answer for you. Without having two movement in front of me for comparison, I wouldn't even like to hazard a guess. :(

 

 

I don't have both movements here to check but I don't think it's possible (from memory).

 

 

Hi number98

 

Check this out! From Ranfft:

 

 

ETA_2824.jpg

Fig. 1

Eterna_12824.jpg

Fig. 2

Eterna_12824-1.jpg

Fig. 3

  ETA 2824

Features

automatic

sweep second

date: quickset

option: hack feature

Data

11.5''', Dm= 25.6mm, Do= 26.0mm

H= 4.6mm (H= 4.7mm with ball bearing)

F= 1.2mm

T= 1.8mm

17/21/25 jewels

f = 28800 A/h

power reserve 40h

Balance staff ETA 2801

Stem W3408

Mainspring / battery

1.20 x 11.0 x 0.115mm

Hands

1.50 x 0.90 x 0.25mm

Comments about the data

Remarks

1971-1979, 1618952

family/generations:

28800 A/h

2801: manual wind

2804: manual wind, date

2816: manual wind, day, date

2824: automatic, date

2826-2: automatic, big date

2828: automatic, day, date

2930: automatic, day, date, Triovis regulator

2834: automatic, day at 12h, date, 13'''

2836: automatic, day 2 languages, date

36000 A/h

2819: manual wind

2806: manual wind, date

2817: manual wind, day, date

2826: automatic, date

2832: automatic, day, date

2837: automatic, day 2 languages, date

2838: automatic, day at 12h, date, 13'''

suffix -1, -2, J2: generations, variants

not all versions in all generations

Example, year: signature; shock device

1) ca. 1975: Solvil & Titus Geneve, Swiss Made, 25 Jewels; Incabloc

2-3) ca. 1975: 014, Eterna-Matic, Brevete Swiss, 25 Jewels - Patented; Kif-Ultraflex

Not for Sale!

The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.

So there you have it, different families! No 2892 here. If you search Ranfft, you will find that the 2892 is a "different animal" for this purpose. Of course this is not written in stone and I might be wrong (I welcome corrections) and in the end there might be interchangeable parts here and there but not necessarily what you are looking for.

 

In any case, I wish you luck with the project and please keep us in the loop!

 

Cheers,

 

Bob

Thank you Mark, Geo and bob for the reply! I think Im better off buying an eta 2836 black date wheel instead! Because thats a lot of gear to change and it may not guarantee that it will definitely work. The total price of those gear maybe the same price as a date wheel or even more than the date wheel! Btw does the font on the 2836, 2824 and 2892 black date wheel is the same? Thank you!

rustycolt Watch Enthusiast

rustycolt

Posted
Posted (edited)

Good day 98,

Is your date at 3 or 6? I have a spare for 3 o clock date that is correct for the 2836. PM me if you are interested. 

Edited by rustycolt
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