Recent Posts

Pages: [1] 2 3 ... 10
Projects / Service: Omega Seamaster Chronograph ref. 145.0029 cal. 861
« Last post by kanikune on November 25, 2018, 11:29:12 PM »
Nice Omega watch came to service. Let's start the story from the cleaned parts.

Normally I would insert lowert shock assembly later, just before putting on the Balance, but because of the structure of this movement lower shock assembly was oiled and inserted at this point. Also assembly of keyless works is started.

Keyless and all connecting wheels in place. I follow service manual here, but I don't like this order of assembly as there is possibility of pinching cannon pinion teeth to the minute wheel while driving cannon pinion down later on.

Reason for the lower shock assembly. Support plate is added to the mainplate. Notice the hour recorder wheel and hour reset hammer. Yes - it's a chronograph.

Support plate or bridge to hold aforementioned in place. This order of assembly is needed as the barrel lower support is also this bridge.

New mainspring.

Barrel assembled. Hour recorder wheel driving wheel is attached directly below barrel. Always when chronograph is off, this wheel slips. Lubrication needs to be in order.

Here a view with the mainplate turned over. Hour recorder wheel easily visible.

Going train without escape wheel.

Barrel bridge gets assembled. Click..

.. and crown wheel.

Barrel bridge above going train. Escape wheel, escape wheel cock and pallet.


Initial readings looks good.

Now we can proceed to the chronograph parts. This is start-stop-mechanism. When fully assembled, "column wheel" alternates in two positions when start-stop pusher is pushed repeatedly.

Chronograph second wheel and minute register wheel and their connecting wheel.

Chronograph bridge. The minute recorder wheel click is integrated into this bridge.

Chronograph bridge in place.

Here the brake is installed. When is Stop-position, brake engages to chrono second wheel holding it still.
Notice also a small stick poking on the left side of the start-stop lever.

Chrono driving mechanism. In Start-position driving wheel engages to the chrono second wheel.

Hammer. Remember the small stick I just mentioned? When this stick is driven to side, hammer is freed resetting chronograph counters.

Lastly connecting rod to transform the state of the chronograph to the front side of the mainplate.

Back to the front side. The connecting rod is at 9 o'clock on the figure.

This mechanism prevents resetting hour recorder when the chrono mechanism is in start-position. Also this mechanism acts as a brake for the hour recorder wheel while in stop state. - Very clever.

This is the fine detail of this movement. In many cases the chronograph movements have 3 states: start, stop and reset. In this movement the column wheel has 2 states: start and stop and it toggles between these two. But if reset is pushed when chronograph is in stop state, hammers are enabled to reset the counters.

Dial and hands and final testing the movement operations.

Movement cased.

Finally the watch is in the hands of happy customer.

Projects / Re: Service: Omega Seamaster Quartz cal 1342.
« Last post by JohnWick7 on October 01, 2018, 11:09:50 AM »
Should fade in the same way if there is a malfunction.
Escapement / Re: Pallet fork end shakes
« Last post by Jameahan on September 25, 2018, 06:33:48 AM »
I want to get information about this very much. Please help me
Projects / Re: Service: Romanoff Chronograph, Poljot cal.3133
« Last post by Jameahan on September 25, 2018, 06:33:28 AM »
The feeling of me now is very glad to be with everyone here.
Projects / Most of the content that comes with these releases allows me to share.
« Last post by Shannonz on September 18, 2018, 01:47:56 PM »
Do not know how much you can help me get this information because I want to access a lot of information, do not know how to help me?
Projects / Service: Rolex Submariner 14060 cal. 3000
« Last post by kanikune on March 07, 2018, 10:25:23 PM »
Sub came to service.

Inside is the caliber 3000.

First the autowinding module comes off.

Everything is as should be. Shock protection with escape wheel doesn't come as a shock.

Dial side. Large hour wheel makes hand relation more robust.

Under the barrel wheel some dried grease. Service is due indeed.

Balance wheel comes off. Same finishing continues in all levels.

Some thought should be put into this caliber. Barrel drives directly the center pinion. Cannon pinion attaches directly to the center pinion. So hours and minutes are driven from here. But seconds are driven through normal going train and 4th wheel.
What this achieves is second hand is more resistant to forces caused by manual time setting.

Center pinion on the dial side.
Nice little detail is a stone inside the center pinion to support 4th wheel. This gives second hand less side shake and less friction on to the going train.

This one is nice detail too, though somewhat more common in other movements. Autowinding pushes the intermediate crown wheel away. This makes autowinding more efficient and less wear occurs over long period of time.

Notice the hacking lever.

Hacking lever better visible. Hacking lever attaches directly into the setting lever.

New mainspring is ordered.

Washed up.

Hacking lever.

New mainspring.

Necessary unfocused picture.

Barrel bridge and center pinion assembled.

Cannon pinion attached.

Keyless works. Setting lever is secured by own cover.

Keyless works ready.

Going train.

Manual wind components.

Initial readings.

Waiting for the hands.

Autowinding module. Very similar construction to compared to old Rolex auto-movements.

In the picture the wheel that attaches on the end of the rotor axle is missing. This is not held by anything but when autowinding module is attached into the movement, movement supports that wheel in place.

Movement cased

Rolex waterproof tested and ready.

Projects / Service: Fortis Automatic GMT 596.10.148 cal. ETA 2893-2
« Last post by kanikune on February 18, 2018, 09:40:46 PM »
This Fortis came to a service with minor damages. Lume was missing from the hour hand and cracked from the minute hand, GMT hand quick set was jamming and the spring bar was missing from the bracelet.

The "modern" ETA caliber is very familiar to others, big bearing for the rotor, especially.

As the caliber has GMT option, few wheels are added into the dial side. The GMT wheel sits on top of hour wheel and transmission wheel for these is also a clutch wheel. When GMT hand is advanced, the hand always advances in steps, because of the notches in the transmission wheel. Same quickset driving wheel drives both GMT and date quick set.

The small wheel just before quickset driving wheel was missing few teeth, causing quickset to jam.

Caliber in pieces.

And washed up.

Rest of the movement is very standard ETA. Keyless works..

New mainspring..

Barrel and 2nd wheel placed.

Barrel bridge getting assembled. The gear ratio makes hand wind almost undetectable.

Barrel bridge placed.

Going train.

Ticking again.

Initial readings.

Dial side got far before I noticed to take a picture.

Autowinding module getting assembled.

One ratchet wheel makes this movement to autowind only to one direction.

Automodule assembled.

Movement cased.

Autowinding module added.

New luminous compound was added to the hands.
Projects / Re: Service: Breitling Shark A53605 Chronograph B53 (ETA 251.262)
« Last post by kanikune on February 12, 2018, 09:23:05 PM »
Just google "ETA 251.262 pdf" and you'll find manual for this caliber. Other than that, you need to be more specific what you want to know about this. :)
Projects / Re: Service: Zenith XL-Tronic cal. 50.0 (ESA 9162)
« Last post by Who.Me? on January 15, 2018, 10:36:07 PM »
Thank you.  :)
Projects / Re: Service: Zenith XL-Tronic cal. 50.0 (ESA 9162)
« Last post by kanikune on January 14, 2018, 10:30:49 PM »
Yes, I try to record all the key measurements from the services.
The crystal dimension is 290 x 2.4.
Nylon L 300 x 289.
Pages: [1] 2 3 ... 10