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Red Star GMT NH34 Worldtimer

I am thinking about this red star watch, while I was researching it I came across the watch that it probably was based upon (loosely)

…

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Chinese Mechanical watches News from the Watch Industry rk watch service

Are Steinhart aviation series cases made in RUSSIA or is CCCP copying them?

Wile browsing the production of this Russian company CCCP, I came across a model Gurevich, which is the twin brother of the Steinhart aviation series.

there are some differences.

The front of the case seem to have screws as opposed to bolts and the c…

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News from the Watch Industry rk watch service Steinhart

Rolex datejust and oyster perpetual 41mm diameter (or are they?)

Just bought a datejust smooth bezel ( but apparently the matter involves also the fluted version). I am very happy with it a none of this that you are about to read would make me like the watch any less

BUT

When trying it on ( and I did try on the o…

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News from the Watch Industry rk watch service Rolex & Tudor

If you had a vintage Rolex with a damaged dial, would you consider customisation?

I saw some time ago, a Rolex for sale here in the NL, the dial had some kind of damage, perhaps water damage.

I though, well, if this was mine I'd consider customise it .

Of course the watch would be no longer serviceable, as is, by rolex , but …

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News from the Watch Industry rk watch service Rolex & Tudor

Hamilton jazzmaster tonneau back ” crystal” made of…

Perhaps this is stupid but is the back crystal used by the Hamilton jazzmaster tonneau a real crystal or perhaps something synthetic?

I am asking because it needs a clean from something that left some sort of residue and since I bought this secondhand…

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Hamilton News from the Watch Industry rk watch service

What happens to the left over (if there is any such thing) Rolexes when a model is discontinued?

I genuinely don't know if they discount then at the Rolex boutique after they announce that a particular model has been discontinued.

Maybe the shop gets a heads up and they try to get rid of them before of the announcement that the model in que…

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News from the Watch Industry rk watch service Rolex & Tudor

Tudor-Rolex NFC chip card , an extra safe guarantee ( until someone cracks it?)

I recently bought a pre-owned Tudor watch and it came with the new NFC Chip guarantee card which , I believe, offers a great level of peace of mind when it come to buy a pre-owned watch.

I don't think they are faking these (yet)

…

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News from the Watch Industry rk watch service Rolex & Tudor

Tudor Black Bay 41 smiley blue 70540 2021 movement

I have been looking at this watch and getting some information before I consider buying it

It is not entirely clear whether this older model is equipped with an ETA or Sellita movement (which equip the later ones non smiley)

There is some speculation…

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News from the Watch Industry rk watch service Rolex & Tudor

Omega Loupe

Nice thing but aside of its possible use for " Horological Omphaloscopy" ( ) what do you actually use it for.

I know I am inviting all sorts of funny or thereabouts comments (and a few snarky ones too) by posting this question but really, d…

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News from the Watch Industry Omega rk watch service

Original Omega speedmaster triple date, used, Tachymeter Bezel with a small scratch

This is a tachymeter bezel which came on my Speedmaster Day Date Chronometer ref. 3220.50.00 (it also should fit other day date triple date models)

It has a minute (see pictures) scratch between the 225Kmh to 250Kmh.

I had it replaced but I suppose t…

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News from the Watch Industry rk watch service Watches - Books, Parts, Tools, Winders
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Repair Services
Band Repair
Battery Replacement
Crown Replacement
Crystal Replacement & Repair
Dial Refinishing
General Movement Overhaul
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Precision Watch Cleaning
Watch Polishing
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Northbrook, IL 60062
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