Here’s another semi-random acquisition – I’d never even heard of this watch until I bought it, but as is the way of these things, if you start researching, sometimes you get hooked…
It’s a 1970-era Tissot chronograph, using a Tissot-branded version of the same watch movement that was then in the Omega Speedmaster – the Lemania 873.
Tissot was a lower-cost sister brand of Omega – like Tudor is to Rolex, or Skoda is to Audi… and though on the face of it, the beating heart of the watch is the same, a 1970-era Omega caliber 861 would have been much better finished than the Tissot version, with fancier coloured components.
vs Omega Caliber 861, from a 1974 Speedmaster:
It was a bit of a struggle getting to see inside this watch – the case back is a screw-down affair but without tabs on the back that would take a case opener – so needs pressure to open it, and I couldn’t get it off. I gave it to a watchmaker who also couldn’t get it open, so in the end I resorted to drastic measures:
- run a bead of superglue around the end of a 17mm socket (as you might use to take a car wheel nut off)
- press glued socket onto the middle of the case back
- popped the watch & socket into the freezer for 10 minutes just to make sure it was a solid bond
- Apply gentle force using socket wrench and … bingo. It’s unscrewing.
- Once the back is off, snap off the socket by pressing it at 90 degrees, then apply nail varnish remover to the back of the case to remove all the superglue residue – it totally works and there are no marks on it!
As you may notice from the Tissot movement picture above, the case back gasket had disintegrated, effectively gluing the back on. Now that it’s free, I’ve had to carefully remove all the gunk and replaced with a new gasket. The watch will go for a service sometime soon…
It came fitted with an unnamed bracelet which feels really quite good but it has straight end-links that don’t meet the case very neatly.
As it happens, I found another Tissot PR516, a 3-hand automatic – in more-or-less the same case but more like a dive watch than a chronograph, and it was bought because of the bracelet it had. Here it is, wearing the bracelet the chrono came with…
… and here is the Tissot bracelet from the Automatic, fitted to the chrono… (and pictured at the very top of this post).
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Hi, I have the exact same watch as you do, and I am in the process of trying to get it repaired. I had it sent to Tissot, but with Covid, they didn’t look at it for 4 months. By then, the condensation trapped underneath the crystal had caused the movement to rust a bit, they said. They also told me they don’t make parts for it anymore, so they can’t work on it. Where can I get parts for this? I don’t care if they’re generic. As long as they work. I’m going to work on it myself. I need an o-ring (gasket) for it, and I need to repair the movement somehow. Thank you so much for your time.
I’ve no idea where you’d find parts for the watch, Ryan – unless you know the part numbers it can be a lottery. Try sending it to Rich Askham (http://thewatchspotblog.com/) as he has some history with these Tissots.
Actually, the 516 is probably more valuable with the bracelet. It was an on-screen, but not marketed, “James Bond” watch from Live and Let Die. https://twitter.com/philnobilejr/status/1065638537188581376?lang=en
Cool bit of history Dan, thanks – I may well pinch some of that info for a future post 😀
https://vintagewatchadvisorswp.azurewebsites.net/2020/12/28/tissot-pr-516-a-knights-own/
[…] earlier post about a Lemania-powered Tissot chronograph talked a bit about how I’d bought another – lesser? – watch which came with the […]
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