Category: 2. Automatic

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Longines Hydroconquest Calibre L633.5 (ETA 2824-2) Service

I have already featured several vintage Longines on the blog, so I thought I would write a post about the service of this “modern” Longines Hydroconquest. It is an Automatic Diver’s watch, powered by Longines’ calibre L633.5. As you will see, this movement is actually an ETA 2824-2.

The watch looks very smart indeed, and I am impressed by the build standard, it has a real quality feel to it. It came for a service. The crown was very stiff when winding or setting the time, so I will be investigating this as well.

Longines Hydroconquest Service Calibre L633.5

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Seiko 6309-7040 Project

The Seiko 6309-7040 diver’s watch is one of my favourite watches. I have worked on many of them before, and have owned several myself. When my friend Ed got in touch a few months ago about a project involving a large number of 6309s and a box of spare movements, donor watches and other parts I was of course very interested indeed.

Ed and I met up and  we went through all the watches and movements on my timegrapher to get an idea of the health of each individual item, and decide the best course of action.

Unfortunately due to the magnitude of this project I have not had the discipline to take enough photos to do a detailed walk through of the work, it is so easy to forget when you get stuck in.

I do however have some photos, so I thought I would publish them to give you an idea of some of the work involved. After all it is not often you see so many 6309s in one place!

Here is a photo of the project once completed:Seiko-6309-7040-Project

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CWC GS Automatic Military Watch ETA 2824-2 Service

CWC (Cabot Watch Company) is a British company established in 1972 and was contracted to supply watches to the Ministry of Defence.

This watch was produced in the 1990’s. It is the GS model (General Service). It is a modern version of the mechanical hand-wound model issued to the British troops in the 1970’s up to the 1980’s when the quartz movement arrived (G10).

This model is still available today from CWC. The current model (at the time of writing) has a similar design, and is also powered by the Swiss made ETA 2824-2 movement. However it uses Luminova instead of Tritium as the luminescent compound for the dial and hands. This is identified by the letter L or T on the dial under the CWC logo.

This watch arrived in need of a bit of TLC, and looked like it had a pretty hard life. That is what military watches are designed for!

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