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  1. FURTHER REDUCED Ball Trainmaster Worldtime Chronometer COSC 3 MONTHS OLD MINT GM2020D

    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...
  2. The Grand Seiko Double Standard ?

    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...
  3. SOLD: Ball Engineer Master II Skindiver II full kit, COSC

    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...
  4. FS: Certina DS Action Quartz Chronometer - $250

    Watches - Private Sellers and Sponsors
    Selling my black/green Certina HAQ Precidrive quartz chronometer. A great piece, but the 41.8mm case size wears a bit large on my wrists. Comes with B&P. Watch head and bracelet are in great shape. The watch had has been worn, but only on a leather strap so no marks on the bracelet. Asking...
  5. FS: Ball Skindiver 2 / FULL Set warranty...EXCELLENT condition

    Watches - Private Sellers and Sponsors
    For sale My Ball Skindiver 2 - Full set with all books, hang tags, and warranty cards stamped from Purchase in July of 2018...Comes with all boxes and extra rubber Ball Strap never worn...Watch is in Excellent condition with no marks on head and just desk swirls on clasp...Purchased from...
  6. Sold : Chanel J12 COSC ceramic chronograph 1900$ MSRP 8200$

    Watches - Private Sellers and Sponsors
    This is an interesting piece. Chanel is amongst the few fashion brand that did watches the right way. They use high grade ceramic, COSC certified movement, perfect finition. I think it's the only "Fashion brand" to have anactual in-house caliber . See more in house caliber here . I'm kind of...
  7. SOLD: RGM x EOT Model 22 Deck Watch -- recently serviced + extra straps

    Watches - Private Sellers and Sponsors
    SOLD RGM x EOT Model 22 Deck Watch This is a watch forum (EOT) project dating back to 2004. Inspired by the Hamilton Model 22 marine chronometer, it was built by RGM. The Hamilton Model 22 Box-Mounted Chronometer was the inspiration for the watch and the box. This model is #36 in a...
  8. The accuracy of your watch and when it becomes an issue to you

    Rolex & Tudor
    I have enjoyed wearing my newly aquired Rolex Explorer II 16570 (2007 Z-serial) for about a month now. It has never been serviced. For the first week, the watch produced an impressive and consistent daily rate of +3 seconds. For the last week however, the daily rate has been between +13 and +15...
  9. FS: Cyma Dominator Limited Edition COSC Chronometer

    Watches - Dealers and Manufacturers
    Here is a very unique piece, this is a Cyma Dominator Limited Edition of 200. 1930's art deco vibe is very noticeable, this example has a Habana brown dial and a matching brown croc strap. Movement is a COSC certified ETA 2896. Condition is very very minty with virtually no signs of wear. Comes...
  10. FS: Ball Engineer II Chronometer Red Label

    Watches - Private Sellers and Sponsors
    Beautiful Ball chronometer available. Barely worn, in excellent condition with tags and box. This is the white dial variant (I think the best of them), and comes on the original bracelet. Very comfortable on wrist. Running perfectly. Details below. Details Movement: Ball RR1102-C (ETA 2836-2...
  11. FS: Ball DeepQuest COSC LNIB

    Watches - Private Sellers and Sponsors
    Up for sale is this beautiful, rugged Ball DeepQuest, included box and hang tag. This edition comes on the the stock rubber strap. Features automatic helium escape valve. Amazing dive watch and a great value. Only worn a few times, little to no indications of wear. Keeping excellent time...
  12. FSOT: Christopher Ward C60 Trident COSC 600 Old Logo in-house BNIB

    Watches - Dealers and Manufacturers
    Another CW for your consideration. This a 43mm case COSC certified edition with their in-house SH21 movement. Condition is brand new unworn still with protective plastic and was purchased Jul 2017 so plenty of warranty left. Comes with original boxes, manuals, and COSC papers. Price: $950 all...
  13. FS: DOXA SUB 5000T Seaconqueror Professional COSC, CONUS ONLY

    Watches - Private Sellers and Sponsors
    Up for sale is my DOXA SUB 5000T Professional I purchased used in 2013. 1 of only 50 pcs that were COSC from the 5000T production run. Includes watch, bracelet with extra links, and scuba tube packaging. The watch is in good/very good condition as you can see from the photos but does have...
  14. fsot: mint CHOPARD L.U.C. Pro One Diver Automatic 158912-3001 ~ COMPLETE SET, VERY CLEAN!

    Watches - Dealers and Manufacturers
    Good day, W.U.S.! Formalities out of the way first: FedEx 2-day shipping and insurance are included in US, will ship overseas, but at the buyer's expense. Price quoted is for payment by bank wire, PayPal/credit cards are OK, but buyer pays the fees (typically around 3% of amount, higher for...
  15. FS: Concord Impresario - 18K Gold - Zenith Elite HW "Reserve de Marche" - 52.G8.220

    Watches - Private Sellers and Sponsors
    Concord Impresario HW Elite Power Reserve in all 18K Gold (Zenith Hand Wound Elite Movement)complete with original strap and buckle. Stored in my safe for years, there might not be a single other specimen in this condition anywhere. US $3,895.00 USCON Stunning details with silver dial...
  16. FS: Brand New BALL for BMW GMT COCS Limited Edition only $1550 or best offer

    Watches - Private Sellers and Sponsors
    FS: Brand New BALL for BMW GMT COCS Limited Edition only $1550 or best offer (Retail price is $3000+!!) It is a brand new watch! The protective package is still here! DLC case, Chronometer certified COSC, 3 years warranty starting from 2016 Nov I have sold many watches in WUS before with +ve...
  17. Rise of the Swiss Micro brands: Brellum Duobox Chronometer

    News from the Watch Industry
    In recent months, there is a grass roots movement and trend of micro or boutique watch manufactures in the Swiss watch industry.  You can see quite a few of them on active on social media to get recognition in groups like Premium Mechanical Microbrands on Facebook.  This trend is not an...
  18. The Premiere Scratch & Scuff Removal Solution. 100% Satisfaction Guarantee! See Photos!

    Watches - Dealers and Manufacturers
    This is the Premiere Scuff and Scratch Removal Solution; 100% SATISFACTION GUARANTEED! No matter how careful you are, when you wear your watches the bracelet and case will accumulate tiny scuffs and scratches. In relative short periods of time, these tiny scuffs take their toll on your prized...
  19. Lists of watches with ETA Chronometer movements?

    Public Forum
    Hi everyone, Does anyone know of a list of watches with ETA's COSC-certified, chronometer-grade movements? I've tried looking in all the usual places, but I've never found a simple list of manufacturers and models using 2824/2892/7750/... movements with COSC certification. Many thanks, and...
  20. Regulating a Seiko SKX007 7S26 movement: Personal experiences and results

    Watchmaking, How To's and Technical Resources
    Hi everyone, First of, I would like to thank this forum for providing excellent info about the SKX007 watch and its corresponding movement, caliber 7S26. It has been a real pleasure reading your recommendations and experiences, which i've made use of when regulating the watch myself. Thank...
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