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  1. FS: Seiko SBDC001 Sumo (First Gen w/no X logo)

    Watches - Private Sellers and Sponsors
    sold sold sold Here we have the desirable first gen Sumo without the PROSPEX logo. This is the watch that started the entire Sumo line you see today. The watch wears extremely well on the wrist and definitely has wrist presence. The watch is in great condition and comes with what is pictured...
  2. FS: JDM Seiko Sumo SBDC097 (Newest Gen. w/ 70hr PR!)

    Watches - Private Sellers and Sponsors
    Hello All, I am offering up my Seiko Sumo for sale. This watch is in like new condition, I can't find any actual scratches or signs of wear on it. Each time I think I found something it turns out to be a fingerprint. It only was worn once and had one link removed when it arrived. It simply ended...
  3. 3rd Gen Seiko Sumo SPB103J1.

    Watches - Private Sellers and Sponsors
  4. FS: BNIB Seiko SPB125 Limited Edition Darth Sumo

    Watches - Private Sellers and Sponsors
    SOLD SOLD SOLD The great purge of 2020 continues so here we have a BNIB Seiko SPB125. I bought this on a whim and never wore it. This comes from an AD and has stickers/handtags in place. This Sumo has definite improvements over a standard Sumo besides the awesome black coating. It has the new...
  5. FS : BNIB Seiko Sumo SBDC027 Limited Edition of 2000 $2000

    Watches - Private Sellers and Sponsors
 BNIB SeIko SUMO SBDC027 50th Anniversary Limited Edition 1922/2000 6R15-02T0 Up for sale is my personal BNIB SEIKO SUMO SBDC027 Limited Edition No. 1922/2000. I bought the watch brand new back when it was released in 2015. It has never been sized and never...
  6. FS: Seiko SBDC057 Pepsi "Sumo"

    Watches - Private Sellers and Sponsors
    $375 shipped to CONUS. Thanks for looking!
  7. Seiko Sumo SILVER limited edition FULL SET for sale

    Watches - Dealers and Manufacturers
    Seiko Sumo Silver LE with full presentation box , papers , spare rubber strap, the original SS strap ( full links) AND an OEM from strapcode that is the exact fit for the Sumo. 1. 200m Diver 2. SAPPHIRE crystal - sold that way ...this was not installed after 3. 120 Click rotating bezel. 4. 2015...
  8. FS: Seiko SBDC031 Sumo w/StrapCode Bracelet

    Watches - Private Sellers and Sponsors
    SOLD SOLD SOLD I'm selling this for a friend and might just end up buying it myself. Here we have the amazing Sumo with the 6r15 and an extra StrapCode bracelet. I helped my buddy source this watch when he started getting more and more interested in watches. Now he is full on in the hobby and...
  9. WTB: Seiko SUMO with ceramic bezel insert (further mods are also welcome)

    WTB - Wanted to Buy
    Dear WuS Members, I am looking for a Seiko SUMO (I have no preference about the color and the generation 001/003/031/033 etc.) having a ceramic bezel insert installed. Further modifications (eg., marinemaster hands/dial, transparent caseback, crystal, and so forth) would also be welcome...
  10. WTT my Seiko Orange Sumo SBDC005 (+MM300 rubber + cash) - for Your Oris Big Crown Pointer Date

    WTT - Trade Corner
    I have a Seiko Orange sumo (sbdc005) [purchased NEW from seiyajapan] for trade. I am the only owner. ***PM your offers, interested in other divers or tool watches*** I am interested in trading for a blue-grey dialed Oris big crown pointer date; willing to listen to other offers for watches...
  11. FS - Seiko Marine Master Second Hand

    Watches - Books, Parts, Tools, Winders
    Up for sale is Seiko Marine Master Second Hand. I bought it for a mod but I ended up not using it. I'm asking $12 net to me and it includes free CONUS Shipping & Paypal fees. My watchuseek feedback links:
  12. FS Seiko SBDC069 Blue Coral

    Watches - Private Sellers and Sponsors
    Hello and up for sale is this Seiko SBDC069 Blue Coral Sumo. This is a catch and release for me as I just wanted to see if it fits in my rotation but sadly does not. Watch is in excellent condition (see album) with very minor wear, most of it being on the clasp. Full disclosure, the previous...
  13. WTB Seiko Sumo/MM300 Second Hand

    WTB - Wanted to Buy
    (Purchased it: So no longer looking for it. Thanks) Hey, I'm looking to purchase Seiko Sumo/MM300 Second Hand in stainless steel. TIA

    Watches - Private Sellers and Sponsors
    4 months old very rarely worn in large rotation replaced mineral crystal with flat sapphire with AR You get the original as well parts plus pro install 80 as new crafter blue black fitted rubber strap 65 value 500 net i cover shipping in conus no trades price firm
  15. SOLD Strapcode oyster for Seiko SUMO $50 SOLD

    Watches - Straps & Bracelets
    SoldStrapcode oyster bracelet for Seiko Sumo, in very good condition. $50 delivered within the Continental United States, through PayPal. SOLD

    Watches - Private Sellers and Sponsors
    Hi WUS Up for sale is a beautiful Green Jade Sumo. Price: $465 USD. Specs: Brand: Seiko Sumo SZSC004 Series: Prospex Diver Scuba Model: SZSC004 Drive System: Mechanical self winding (with manual wind) Caliber No: 6R15 Case: Stainless Steel Caseback: screw in SS Crown: screw in with "S"...
  17. WTB: Seiko Sumo in any condition

    WTB - Wanted to Buy
    Hi all, I'm looking for a Seiko Sumo in any condition. Case only in fine too. Located in Australia. Cheers!
  18. TURTLE 77X vs Samurai legibility at dusk?

    I have an original SKX Orange Monster that I love (and wear a lot), but…there is one strong advantage that my Omega Planet Ocean has over the Orange Monster: while it (the Planet Ocean) has generous amounts of lume onthe hands and hour markers, both the hands and the hour markers are framed...
  19. FS: Seiko Sumo Crafter Blue strap in Black

    Watches - Straps & Bracelets
    SOLD CB02 Strap from Crafter Blue for the Seiko Sumo (SBDC031, SBDC033, and all other Sumo models) Selling for SOLD including shipped(to Canada/US) and paypal fees. This strap was seldom used as I owned by Sumo for a very short time. I am trying to build up my seller reputation so please...
  20. WTB - Seiko SBDC001 Sumo

    WTB - Wanted to Buy
    Looking for an original SBDC001, SCUBA, non-"X" dial model. A beater would be preferable, case/crystal/bezel condition not important as long as the dial/hands/movt are in great shape. Would also be interested in the movt with dial and hands by itself. Thanks!