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  1. Watches - Private Sellers and Sponsors
    Hello all, For your consideration I have my beloved first grail. The Seiko SLA021 Marine Master 300. This is the MM300 model with the sapphire crystal and lumed ceramic insert (yes, photos to follow!). I will list the rest of the specification below courtesy of Seiko. I have owned this watch...
  2. Watches - Private Sellers and Sponsors
    Love the watch, but doesn't get enough wear. Bought it years ago on this board from original owner who had the modifications done in TX. Keeps great time and I have the box, manual and the stock rubber strap. Believe the original handset as well, but I'm still looking for those. $295 shipped...
  3. Seiko
    I'd like to replace the painted bezel insert on my SBDX001 with a ceramic one. I know these are really difficult to remove from the bezel without damage, so thinking to buy the bezel too. I can find a brand new bezel and ceramic insert for the SBDX023 for £250 delivered, but I'm hoping to find...
  4. Watches - Private Sellers and Sponsors
    San Martin MM300 44mm Green Movement: Time Module NH35A [automatic mechanical movement] Case: 316L stainless steel 44mm in diameter (excluding crown) Thickness 15mm (including crystal) Lug width 20mm (with the inside of the strap) Mirror: sapphire crystal (with Swiss shadowless anti-reflective...
  5. Watches - Private Sellers and Sponsors
    Hi WUS - I just bought a smart trainer for winter cycling, so making a tough call and reposting my MM300 SBDX017 for sale to cover the cost. Asking $1750 including express, insured shipping. Condition: Overall, the piece is in good condition. In the spirit of full disclosure, it has not been a...
  6. Watches - Private Sellers and Sponsors
    ⌚ BNIB 1 Year International Warranty ✔ Brand New Unworn Authorized Dealer Set dated 31 Aug 2020. Full set with box, tags, stickers, manual, warranty, certificate. 💎 Very sought after watch and great collectable. Not easy to find limited blue edition, especially AD with Worldwide warranty. ✔...
  7. Watches - Private Sellers and Sponsors
    Price: $2,400 REDUCED to $2,275 All boxes, papers, warranty card, unused strap, unused bracelet included. I bought the watch a couple weeks ago, new from shoppinginjapan. The SBDX017 is now out of production, and it is the last model mm300 without the prospex "x" logo on the dial. Watch is in...
  8. Dive watches
  9. Watches - Private Sellers and Sponsors
    This set has been sold. Thanks! I am offering for sale a special Buy One Get One deal on a pair of Marinemaster homage-style watches. They were purchased from WR Watches and are sister brands San Martin and Proxima. There are a number of threads on these high quality watches. Here are just a...
  10. Seiko
    I've got a quick question about the latest MM300. The older SBDX001/017 models had a titanium clasp. Does anyone know if the clasp is still made with titanium? -Thanks!
  11. WTB - Wanted to Buy
    Hey all, Looking to buy / trade oem parts for an SBDX001 dial!
  12. Watches - Private Sellers and Sponsors
    [WITHDRAWN] I will likely regret this, but looking to make some changes to my collection so am parting ways with this lovely Seiko MM SBDX017. Comes with box and papers. Dimensions: 44 It's a big watch, but because of the shape and polishing (as many reviews point out) it doesn't wear quite...
  13. Straps & Bracelets
    Can someone please, please, please, figure out a way to scale up the 16mm Ginault/chinese glidelock clasp to 18mm and redesign it to accept 18mm spring bars on both ends? The watch community is so obviously starved of a really solid clasp to throw onto their Seiko stock / Strapcode / Other...
  14. Watches - Private Sellers and Sponsors
    Hello WUS, for sale is my lovely SLA019 MarineMaster 300M green limited edition. This is a full set with AD-stamped paperwork, and is still under factory warranty until 06/2022. It also comes with a free first factory service, courtesy of the Seiko boutique in Miami FL. It is a full set in great...
  15. Watches - Private Sellers and Sponsors
    *Model: Proxima Bronze Seiko Samurai + MM300 Homage (Cusn8 case, ceramic bezel with lumed pip) *What's Included: Box & Papers, Watch and Borealis Rubber Strap *Condition: 98% + Watch was worn very lightly in rotation (less than 2 weeks ) with other 22mm watches to see which one I would keep...
  16. Seiko
    Hello WUS, I own a beautiful Seiko SLA021 and I love the watch and am trying desperately to like the bracelet (I am a bracelet guy). I have very sensitive skin around my wrists so if a watch is to be large and beefy, it needs to have great ergonomics as far as link contouring and clasp...
  17. Watches - Private Sellers and Sponsors
    Have decided to sell my SLA021J, bought in December last year. I have tried very hard to love the watch and sometimes I do, but sometimes I don't. It has the 8L35 Grand Seiko movement, ceramic bezel insert, internally domed sapphire crystal, monocoque case, ratcheting strap and is beautifully...
  18. Watches - Private Sellers and Sponsors
    Need to fund a purchase, so making a tough call and posting my MM300 SBDX017 for sale. It's a truly special - and hard to find - watch, just can't justify having more watches than I can wear in my rotation. Overall, the piece is in great condition. In the spirit of full disclosure, you'll...
  19. Watches - Private Sellers and Sponsors
    I'm on the fence about whether or not to sell this one. 300m w/r, lumed ceramic bezel, internally domed sapphire crystal, Diashield coating and the 8L 35 Grand Seiko movement. I bought it in the middle of December and have worn it a handful of times. Worn almost exclusively on the rubber strap...
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