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  1. Public Forum
    This is just something I am curious about as to how much of a premium others consider a COSC watch to be worth over a non-COSC watch. Is it for the knowledge that the movement has been regulated and therefore that piece of mind or because it makes the watch feel inherently more of a luxury...
  2. Watches - Private Sellers and Sponsors
    Beautiful Omega DeVille Co-Axial COSC Chronometer 36.8mm Dress Watch. This watch is highly accurate, with a six positions measurement of -4 seconds per day (within COSC's sepcifications). It comes with a new Cordovan leather strap. $1,662, Free shipping CONUS 48. For other destinations...
    $1,662 USD
  3. Reviews
    Hi friends, Today I purpose you to discover a young swiss brand which release a nice COSC Watch: H992 H1
  4. Quantième (FR)
    Salut les compatriotes, Aujourd'hui je vous propose de découvrir une montre certifiée COSC vendue moins de 1000€. Il s'agit de la H992 H1
  5. Watches - Private Sellers and Sponsors
    [withdrawn] Movement: MT5612 Certified Chronometer (COSC) Crystal: sapphire crystal Case: titanium Dimensions: 42 mm diameter, 14 mm height Caseback: screw-in Crown: screw-down Dial: black dial Strap/bracelet: titanium bracelet (additional Tudor rubber strap with extension included) WR: 500...
    $3,600 USD
  6. WTT - Trade Corner
    For trade is a Tissot Luxury Powermatic 80, COSC certified and keeping excellent time. Exhibition caseback. This watch includes circular, vertical, and horizontal brushing, high polish, a weave pattern, bead blast, and a frosted finish. That’s a lot of finishing! Trade value of, I don't...
  7. Public Forum
    I spent some time to find the greatest value traveler GMT watch (for me). My personal criteria were as follows: Certified Chronometer is preferred, required is a mechanical movement with a jumping local hour hand (traveler/"true" GMT) instead of quick set date and isolated gmt hand (office)...
  8. Watches - Private Sellers and Sponsors
    SOLD!! BALL Trainmaster Cleveland Express model NM1058D powered by automatic calibre ETA 2836-2 with C.O.S.C certification movement. Stainless steel case, Sapphire crystals (front and back), silver sunburst dial, micro gas tubes for night reading capability. Condition: The watch is used and...
  9. Watches - Private Sellers and Sponsors
    For Sale COSC Certified Mido All Dial $575.00 CONUS Only, including PP and shipping COSC Certified Stainless Steel Black PVD 42mm without the crown 10.25mm thick Screw Down Crown Sapphire Crystal Rubber Strap and additional Leather OEM Leather strap Outer Box, Inner Box and Papers. This is a...
  10. Watches - Private Sellers and Sponsors
    For sale is my Brellum Pilot Power Gauge LE.1 in steel, this is one of a 33 piece limited edition now sold out. Housed in the classic duobox case with raised front and back sapphire crystals, this watch features a highly modified, COSC certified, Valjoux 7750 movement with an added power...
  11. Public Forum
    Stumbled upon this thought whilst browing through higher end watches. I've found that generally stated accuracy on a time piece will increase as the price increases until it tops out with Rolex's movements (at least for mechanical watches). And then as price increases there is a split between...
  12. Affordable watches
    Just found that the Tissot Ballade Powermatic 80, a COSC certified Swiss chronometer, is well under 600 GBP (830 USD at time of writing) at several ADs (example below). Is this the cheapest COSC certified automatic watch it's possible to buy at the moment? Are there any others that regularly...
  13. DOXA Wrist Shots
    There's so many great watches, that I have a strict 'only one per brand' rule. But I'd been eyeing the Sub 300 COSC models for a while and they were calling to me... problem being, I already had a Sub 200 Sharkhunter. Solution: pick up a 300 Caribbean, and co-opt my wife by giving her the...
  14. Watches - Private Sellers and Sponsors
    SOLD here the Tissot Heritage 1957 ref. T66.1.524.62, new, limited edition of 3333 watches, steel case with a square shape of size 32 mm on each side, automatic movement ETA Cal. ETA 2824-2 25 jewels, COSC "Officially Certified", beautiful glossy black dial with applied indexes and highly...
  15. Public Forum
    Just received my preordered Formex Essence 39 and it's an amazing watch. The finish is above anything I've seen in this price category. It's modern, beautiful, and so comfortable to wear but... Usually I don't care how accurate the watch is but this one is COSC certified so I've been keeping an...
  16. Reviews
    1. Intro Hi everyone! I have used this forum a lot in the recent months when I have dived into horology and looked for my first mechanical watch. I thought it would be nice to post something for other entry-level hobbyists interested in this model. This is my first post on any kind of forum for...
  17. Watches - Private Sellers and Sponsors
    **SOLD THANKS WUS** Net $940 + Shipping Absolutely, 100% No Trades. CONUS Only. WUS Established Members only please! Purchased this beautiful watch less than 3 months ago and had no intention of selling it, but I found an excellent deal on a Navitimer, so I've had to sell quite a few watches...
  18. Grand Seiko
    This is something I only discovered recently. No buyers' remorse, but this was a surprise to me. Anyone who follows Grand Seiko or owns one has perhaps heard of the Grand Seiko "standard" which results in a daily rate(+5 to -3 sec/day) that is more accurate than a COSC certified(+6 to -4...
  19. Watches - Private Sellers and Sponsors
    SOLD SOLD SOLD - Thanks WUS and buyer!!! Must sell this beautiful Ball Skindiver II that is in 98% condition and keeping excellent time. I hate to let this one go, but must move on. Only signs of wear are on the bracelet clasp, which shows some typical minor swirls. Case, crystal, bezel, and...
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