Certina DS-2 Automatic Calibre 25.561 – Service

I have been meaning to feature a Certina DS-2 for a while on the blog. Having a penchant for vintage divers watches, the iconic “turtle back” originating from the late 1960s is certainly worthy of a feature, with its substantial look and novel design. It is powered by an in-house automatic Certina Calibre 25.561. One of the particularities of the DS-2 range is the floating movement design, where a rubber ring is sandwiched between the case and the movement, to absorb energy in case of a shock.

Certina DS-2 25.561

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Bucherer Automatic, A. Schild Cal. 1903 (AS 1903) – Service

Following on from this post, here is another watch that Richard gave me for a service, this time it is a Bucherer Automatic, powered by the Calibre AS 1903 by Swiss ebauche and watch movement manufacturer A. Schild. The watch is in beautiful cosmetic condition, with a lovely sunburst dial in a gold plated case.

Bucherer-Watch-Service

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Eterna Matic 3000 Sevenday Calibre 1457U – Service

This week I am featuring this Eterna Matic 3000 Sevenday on the blog. The watch is powered by Eterna’s Calibre 1457U, an automatic movement with a day date complication and quick set date mechanism. Eterna had a pioneering role in the development of self winding calibres, with the development in the late 1940s of the first Eterna Matic movement, using a friction-reducing ball-bearing mounted rotor system. The 145X and 146X movement family follow on from the success of the first Eterna Matic, and were known as ultra-thin automatic movements ( 3.6 mm thick, and 4.15 mm for the day date).  It is commonly known as the ancestor of the famous ETA 2892 movement, the high end Calibre by ETA found in many prestigious watches for the last few decades. It is worth noting that ETA was founded by Eterna, so it is no surprise that even the movements produced nowadays by ETA (currently owned by the Swatch Group) share some  common DNA with Eterna calibres.

Eterna Matic 3000 Sevenday Service

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Omega Calibre 561 Constellation watch 168.017 Automatic Chronometer – Service & Repair

Another vintage Omega on the blog. Today I am featuring this beautiful Constellation model dating from 1966. It is powered by the Omega Calibre 561, which is a very fine movement indeed. It is chronometer rated, meaning it was tested and certified to meet certain precision standards. It was adjusted in different temperatures and in 5 positions during production.

Omega Constellation Automatic-Chronometer 168.017 Cal. 561

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Timefactors Speedbird II PRS-7 Service (ETA 2824-2)

Anthony sent me this lovely Speedbird II PRS-7 watch for a service. The Speedbird II  was manufactured by Timefactors, a British company owned by Eddie Platts who launched the Speedbird II back in 2002. Only 300 pieces were produced, in either black or ivory dial. The production of this watch follows the success of the original Speedbird PRS-1, a design of military influence, in the style of watches issued to pilots of the British Overseas Airways Corporation in the 1950s. It is easy to see why the Speedbird was a success as the watch feels very well built, and looks very smart indeed.

Speedbird II PRS-7

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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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