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| Joined: | Sun Oct 5th, 2008 |
| Location: | Alabama USA |
| Posts: | 53 |
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I agree that the Sea-Gull movements are some of the best. I absolutely love my Sea-Gull M177s with ST16 movement. It is worthy to note that when you buy a Sea-Gull movement (or any Chinese movement) that there are different grades and/or levels of QC. Movements culled at the factory or during casing often make their way into very cheap internet/ebay watches. Sea-Gull uses their best movements in their watches.
Here is my Sea-Gull 1963 re-issue with ST19. Sea-Gull purchased the Venus 175 tooling in the early 1960's and made the original to this watch. Now Sea-Gull makes 7 variants of this movement with additional subdials of 12/24 hr hands (non-chrono), PR hand and one with a real moonphase. (BTW, Invicta calls this their Technica Swiss Ebauche 1902 Mechanical Chronograph
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The 2813 is a Dixmont-Guangzhou DG2813. It is a handwinding/hacking Miyota clone and is a drop-in replacement for the Miyota 82XX. I have a few and they run/work just fine, IMHO. I have one in my Timex auto.
Here is one in my Croton Sub. (BTW, Croton calls this their CR8315 calibre. You often see it listed as a special Miyota made especially for Croton with the hacking added.
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DG crown symbol under the balance
As far as the 7750 auto chrono goes, I believe they are made by Shanghai and Liaoning. http://www.tractionink.com/watch_wiki/index.php?title=Mechanical_chronograph
I have both and haven't had a problem with either. Here is my Ticino auto chrono with Liaoning. The last time I checked it I wore it for 12 days and it gained 10 seconds TOTAL. So ~ +1 sec/day for almost 2 weeks.
I also have an unveiled Prometheus auto chrono with Shanghai 3LZF2 which is a VERY nice & chunky watch. Significantly heavier than my Orange Monster on bracelet.
Cheers,
gigfy