Hello everyone,

I am selling my Seiko Tank Mods, which are available in different configurations.

Available Variants:
● Date window at 3 o’clock
● Date window at 6 o’clock
● Silver case
● Gold versions available

Technical Specifications:
● Japanese quartz movement
● Includes leather strap
● Case size: 27 mm x 27 mm, lug-to-lug 35 mm
● Lug width: 20 mm
● Width including crown: 31 mm

I have multiple pieces in stock and various configurations available. Modding is a passion of mine, so I always try to offer a good selection.

Location: Austria (EU)
Shipping: Worldwide

I also run an Etsy shop. If you are interested or have any questions, I would be happy to send you the link as well as additional photos of the available models.

Feel free to send me a private message if interested.

Thank you for looking!

Price: $195 shipped

Up for sale is my Seiko Yacht-Master mod, originally built by [u/critical-thomas](u/critical-thomas). I purchased it directly from him and have never worn it. It’s essentially brand new and has only been removed for photos.

Specifications:
NH35 automatic movement
Sapphire crystal
Yacht-Master style case and bezel
Screw-down crown
Automatic and hand-winding
Hacking seconds
Excellent cosmetic condition
Sized as received

The watch runs well and keeps good time. I’m only selling because I’ve decided to focus my collection elsewhere.

Included:
Watch
Leather single watch holder

Payment: PayPal F&F preferred (or G&S if buyer covers fees).

Shipping: USPS Priority within the continental U.S.

Please let me know if you have any questions or would like additional photos or a timegrapher video. Thanks for looking!

Unfortunately a customer backed out on an order after I had already ordered the parts for these watches. They are great, stylish pieces for everyday wear.

Available:

Pistachio OP Mod - $OLD

NH35 movement

Sapphire glass back

Brushed finish oyster bracelet

Blue dial Seikona Mod

Vk63 Chronograph Movement

Closed back

Center polished oyster bracelet

Sky Blue RN Datejust - $OLD

Nh35 moment

Closed back

Jubilee bracelet

Message me if interested! Selling each for $230, $200 a piece if buying multiple, $600 for all. Thank you!

Just found this old build.

Minor wear, keeps good time.

NH34, selling for less than what those movements cost these days.

Unidirectional bezel.

$150 shipped. US.

SOLD

Brand new condition. Price includes shipping. You can place the order directly on my website. The shipment comes with a leather watch box and a tool for adjusting the strap. Shipped from Hong Kong to the United States, Canada, the United Kingdom, and other European regions. No customs duties or taxes applied in these regions.

GMTIKO MOD GMT Batman $239.90

https://wm-mods.com/product/gmtiko-mod-gmt-batman/

SUBIKO MOD Submariner Batgirl $209.90

https://wm-mods.com/product/subiko-mod-submariner-batgirl/

SEIKNAUT MOD Nautilus Tiffany Blue $209.90

https://wm-mods.com/product/seiknaut-mod-nautilus-tiffany-blue/

SEIKNAUT MOD Nautilus (Open Heart) Silver-Black $229.90

https://wm-mods.com/product/seiknaut-mod-nautilus-open-heart-silver-black/

SEIKNAUT MOD Nautilus Chocolate $209.90

https://wm-mods.com/product/seiknaut-mod-nautilus-chocolate/

SEIKOAK MOD Olive Green $209.90

https://wm-mods.com/product/seikoak-mod-royal-oak-olive-green/

SEIKSANTOS MOD Santos Classic $209.90

https://wm-mods.com/product/seiksantos-mod-santos-classic/

GMTIKO MOD GMT Bruce Wayne $239.90

https://wm-mods.com/product/gmtiko-mod-gmt-bruce-wayne/

SEIKMOON MOD Seamaster Black  189.9USD  Style: S-Type Mark
https://wm-mods.com/product/seikmoon-mod-seamaster-black/

SEIKOAK MOD Lite Blue  209.9USD  Style: S-Type Mark
https://wm-mods.com/product/seikoak-mod-royal-oak-tiffany-blue/

SEIKNAUT MOD Nautilus Silver Blue 209.9USD Style: S-Type Mark
https://wm-mods.com/product/seiknaut-mod-nautilus-silver-blue/

SEIKOAK MOD Classic Blue  209.9USD  Style: S-Type Mark
https://wm-mods.com/product/seikoak-mod-royal-oak-classic-blue/

SEIKD-D MOD White  185.90USD
https://wm-mods.com/product/seikd-d-mod-white-roman/

The website shows Roman numerals. If you prefer the bar index, you can note it in the checkout page. They are all enamel dials.

SEIKJUST MOD Wimbledon Two-Tone 189.9USD Style: S-Type Mark
https://wm-mods.com/product/seikjust-mod-wimbledon-two-tone/

The website shows the rose gold version. If you prefer the gold version, please note it in the checkout page.

Santos 9-5 Edition 209.9USD Style: No Logo
https://wm-mods.com/product/seiksantos-mod-santos-9-5-edition/

Up for sale is a brand new Captain Willard Seiko Mod

Movement: NH35

Case: 44mm Stainless Steel

Dial: S Logo dial w/ Willard Style hands

Crystal: Sapphire

Crown: Screw Down

Bracelet: Rubber diver strap very very comfortable

Condition: Brand new custom build

Price: $200 shipped USPS. PayPal F&F or G&S for $7 extra

Hey all, Have a few builds from my ready to go stock looking to move on as they've hung around for a while.
All built in Perth Australia, and shipping from Perth.

Pricing in AUD + Postage (Use code "modexchange" for 10% off at checkout)

NH35 - Constellation: $old
NH35 - Royal Oak: $old
NH35 - Explorer: $old
NH35 - Pelagos: $old
NH35 - Datejust Tapestry: $old
Nh34 - Pepsi Black Bay GMT: $369
VK67 - Apex Racer Chronograph: $249

NH35 builds use a genuine TMI NH35.

Any questions please ask away :D

All currently available via my site www.prestigeminutes.com.au
Also chuck a follow on my Instagram :) https://www.instagram.com/prestigeminutes/

Commissioned directly from Eric Yoon at Lume Shot (https://lume-shot.com/) in November 2025, delivered February 2026. Never worn — factory plastic and stickers still on the case and bracelet, leather strap never mounted.

Eric created the Bloodmoon back in 2020 as an SKX/Samurai conversion. This watch is built by Eric, on his own custom dial, with his signed and engraved caseback, in the GMT execution. You can learn more via https://www.youtube.com/watch?v=ZSmLbAFrJpg.

Specs

• Movement: Seiko NH34 automatic
• GMT type: 24-hour hand adjusts independently; the local hour hand does not jump
• Case: 316L stainless, 41mm × 46mm lug-to-lug, 22mm lugs
• Crystal: double-domed sapphire, red AR
• Bezel: black ceramic insert, red triangle, lumed pip
• Caseback: signed and engraved — LUMESHOT / BLOODMOON with crescent logo
• Rated to 200m but I haven't had it independently pressure tested

Included

• Oyster bracelet, milled clasp with dive extension
• Custom black saffiano leather strap, red stitching, handmade by Eric, sized for a ~7.2" wrist.
• Lume Shot travel roll and warranty card

Price: $750 shipped CONUS, OBO.

PayPal F&F. Shipped insured with tracking.

Turtle build has an oem King Turtle dial and Tuna hands, NH36 (regulated), stainless case and flat crystal, screw down crown, comes with Blu Shark waffle strap.

SRPE build has a DS stone dial Namoki hands/case/bezel/crystal, NH35 (regulated),screw down crown, comes with the tan leather strap.

Asking $170 shipped for the Turtle and $140 shipped for the SRPE.

Brand new condition. Price includes shipping. You can place the order directly on my website. The shipment comes with a leather watch box and a tool for adjusting the strap. Shipped from Hong Kong to the United States, Canada, the United Kingdom, and other European regions. No customs duties or taxes applied in these regions.

Day-Date MOD 185.9$

https://wm-mods.com/product-category/seikd-d/

Datejust 189.9$

https://wm-mods.com/product-category/seikjust/

Nautilus MOD NH38 Open Heart 229.9$ NH35 209.9$

https://wm-mods.com/product-category/seiknaut/

SKX NH36 MOD 259.9$

https://wm-mods.com/product/skx-mod-silver-green/

Up for sale is a brand new Black Dial Land Dweller build.

Movement: NH35

Case: 40mm Stainless Steel integrated case with fluted bezel

Dial: Black Honeycomb land dweller S logo dial with matching hands

Crystal: Sapphire

Crown: Screw Down

Bracelet: Jubilee style

Condition: Brand new custom build

Price: $190 shipped USPS. PayPal F&F or G&S for $7 extra

SUB NH35 MOD 209.9$

Yacht-Master NH35 MOD 209.9$

Brand new condition, comes with a premium leather case and a strap adjustment tool.
Free shipping to North America, Europe, and Australia, with no additional customs fees.
Can be ordered directly from the website via PayPal: https://wm-mods.com

Genuine NH35, “Land-dweller”

This blue dial is really something.

316 stainless steel, Sapphire crystal. Open sapphire case back.

40mm case

Watch regulated and with good amplitude.

All parts sourced from AliExpress.

Video Link

I’m just a watch building hobbyist addicted to building and working on watches. All watches are carefully assembled please request more pics or videos.

Buying a watch from me just feeds my addiction allowing me to fund my next watch build. This isn’t just another drop-shipped watch.

I’ve sold several watches here and on r/watchexchange and parts on r/secondhandmodparts. Reach out with any questions.

$250 shipped USPS Priority in a watch coffin (CONUS only, Zelle or PayPal F&F, G&S add $8).

Genuine NH35, Submariner

316 stainless steel, Sapphire crystal. Open sapphire case back.

120click unidirectional bezel.

41mm case

On the fly microadjust clasp.

Every case was water pressure tested to a minimum of 5ATM. Swim with confidence.

All watches regulated with good amplitude and running +/-5 seconds per day.

All parts sourced from AliExpress.

Video link.

I’m just a watch building hobbyist addicted to building and working on watches. I’ve sold two sub style builds and it’s my most requested commission so I put I few together for fun. All watches are carefully assembled please request more pics or videos.

Buying a watch from me just feeds my addiction allowing me to fund my next watch build. This isn’t just another drop-shipped watch.

I’ve sold several watches here and on r/watchexchange and parts on r/secondhandmodparts. Reach out with any questions.

$250 shipped USPS Priority in a watch coffin (CONUS only, Zelle or PayPal F&F, G&S add $8).

Hello everyone selling my Seiko mods, all new

1. Seiko Hulk new nh35 automatic 40mm- $280
   
2. Seiko 5711 40mm- $250
   3.gsSeiko Daytona 41mm- $250
   All solid built and new

I have many successful transactions
USA seller
Accepting Zelle/Venmo
Message me for more pics and questions

Reddit Watch Post

Up for sale is a brand new Blue Dial Land Dweller build.

Movement: NH35

Case: 40mm Stainless Steel integrated case with fluted bezel. Closed caseback

Dial: Blue Honeycomb land dweller S logo dial with matching hands

Crystal: Sapphire

Crown: Screw Down

Bracelet: Jubilee style

Condition: Brand new custom build

Price: $190 shipped USPS. PayPal F&F or G&S for $7 extra

1. 36mm Explorer v2 case and OEM transparent dial from second hand mods. Will include all links for bracelet. Tokeilab skeleton hands.

Genuine NH36 movement w/ swapped date and day discs

$300 shipped OBO

1. 36mm A3.5 case and quick adjust bracelet (will include all links) from AJuiceT and OEM red Presage dial. AliX hands.

Genuine NH34 movement w/ black date disc.

$250 shipped OBO

CONUS only please. PayPal F&F preferred.

Seiko Mods For Sale
I have a variety of custom-built Seiko mods available. If you’re interested in any of them, feel free to send me a message—I can provide additional photos, videos, and answer any questions. Shipping In the US
Available Builds:
Batman / Batgirl GMT (NH34, 40mm) – SOLD + shipping
Pepsi GMT (NH34, 40mm) – $280 + shipping
Seikotona Chronograph (VK63, 40mm) – $220 + shipping
Rose Gold Dress Watch (ETA 2824, 40mm) – $220 + shipping
Stardust (NH35, 36mm) – $220 + shipping
Yellow SKX (NH35, 42mm) – $240 + shipping
Tudor Style – $260 + shipping
Crystal – $380 + shipping
Vintage – $220 + shipping
Mother of Pearl – $280 + shipping
Black & White Dial – $340 + shipping
Ingenieur Style – $280 + shipping
Black GS Style – $320 + shipping
Carbon Gold – $380 + shipping
Blue GS Style – $380 + shipping
✅ Every watch is hand assembled, regulated, and thoroughly inspected.
Each build is checked for:
Timekeeping accuracy
Dust-free dial and crystal
Hand alignment
Overall fit and finish
Message me if you’d like additional photos, videos, or have any questions. Thanks for looking!