Mod Datejust Two Tone Rose Gold Diamond - 31mm
$289.00 USD
Custom Mod Watch, Not a Replica: Hand-assembled using authentic Miyota/Seiko automatic movements.
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Place an order
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Ships from the U.S. (in stock)
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Delivery
Estimated delivery date： 3–5 days
- Premium look & without luxury price
- Hand-assembled by professionals
- 1-Year warranty + US Domestic Shipping
Loved by 100,000+ happy customers.
WELCOME OFFER
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Buy 2+ Get $50 Off
Applied automatically at checkout.
FREE US SHIPPING
Dispatched from US Workshop
1-YEAR WARRANTY
Genuine SEIKO NH Movement
14-DAY RETURNS
100% Risk-Free Guarantee
Description
· Case Diameter: 31mm
· Case Thickness: 12mm
· Bracelet: Jubilee-style bracelet
· Bracelet Material: Luxurious 904L stainless steel
· Lug To Lug Height: 37.5mm
· Wrist Size: 6.3 inch - 8 inch (Adjustable)
· Lug Width: 17mm
· Glass: Sapphire Crystal
· Movement: Seiko NH05 movement
· Water Resistance: 5 ATM
· Crown: Screw-down crown
· Hand: C3 luminous stainless steel hands for optimal visibility in low light
· Weight: 83.6g
Shipping
Shipping Destinations We currently ship to the following countries:
- United States (including Hawaii and Alaska)
- For international customers in other regions, please contact us at support@usamodwatch.com for specialized assistance.
Shipping Rates
- Standard Shipping: We offer Free Standard Shipping on all orders to the U.S.
- No minimum purchase is required to qualify for free shipping.
Estimated Delivery Time Your total delivery time includes Order Processing Time (preparing the watch for shipment) and Transit Time (time in carrier custody).
For Customers in the United States
Order Processing Time: 3 – 5 business days (Monday – Friday).
Transit Time: 3 – 5 business days (Monday – Friday).
Total Estimated Delivery: 6 – 10 business days.
Note:
1.All delivery times are estimates and may vary due to customs clearance, carrier delays, or public holidays.
2.DIY orders require an additional 3 business days for processing.
Shipping Origin Orders are shipped from our US Studio.
Returns & Delivery Issues To ensure efficient processing, please note the following:
- Please contact support@usamodwatch.com to initiate a return and receive the correct Return Shipping Address (Fulfillment Center location).
- If your tracking shows "Delivered" but the package is missing, contact us with your Order Number and Tracking Information.
- We will open an investigation with the carrier. Please allow up to 3 business days for a resolution.
Contact Us For any questions regarding your shipment, our team is here to assist you:
- Operating Hours: Monday – Friday (9:00 AM – 5:00 PM EST)
- Email: support@usawatchmod.com
Mod Datejust Two Tone Rose Gold Diamond - 31mm
$289.00 USD
Free Express Shipping
1 Year Warranty
ISO-Certified Durability
14-Day Hassle Free Returns
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping
Free Shipping on All Watch Orders. For non-watch orders, free shipping applies to purchases over £100.
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Lifetime Support
Every watch we make comes with a 1-year free warranty and lifetime free servicing.
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Our Experts Are Here 24/7
Ready to assist with anything — orders, shipping, customization, or any questions you have.
Included in the order
Mod Datejust Two Tone Rose Gold Diamond - 31mm
Signature Watch Box
Bracelet Adjustment Tool
FROM OUR HANDS IN THE USA TO YOUR WRIST
The Compact Automatic
PRECISION IN EVERY DETAIL
Love the design, but not the color?
Take this Mod as your starting point and create your perfect version.
Crafted by our hands, guided by yours.
People Behind Your Watch
Behind every USAMODWATCH timepiece is a small team of watchmakers who take pride in what they do.
Each one brings steady hands, sharp focus, and years of experience to the bench — turning raw components into precise, living mechanisms.
We build, test, and assemble every piece by hand. Driven by a shared belief that true quality can’t be rushed or automated.
Our mission is simple: To keep the spirit of craftsmanship alive, creating watches that connect people not only to time, but to the hands that made it.
This product has no reviews of its own. The merchant grouped it with related products, so the reviews shown are from across that group.
J
Watch looks great.
G
Stunningly beautiful watch. The polish and finish is great and that dial is just stunning. Probably the best land dweller homage I’ve seen. And the bracelet is very high quality as well. The movement can be off by as much as 3 minutes a day. That’s my only issue. And this movement should be more accurate than that.
A
Cool honeycomb dial, solid steel band.
C
Love the silver dial, it really stands out.
E
Really sleek design, goes well with any outfit.
M
Really happy with this watch! It looks great and keeps time perfectly！
T
The blue dial looks awesome, and the stainless band is super solid.
M
Good build, perfect for any occasion.
S
Love the green dial, solid build and gets compliments everywhere.
N
Looks just like the pictures, great quality, comes in a very nice case.
D
The watch feels well-made and looks even better in person.
T
I really enjoyed customizing the dial myself. It gave the watch a personal touch and made the whole experience more meaningful.
B
The watch offers strong DIY mod capabilities. Everything from the dial to the bezel can be personalized, making it a great platform for creative builds.
E
The gold tone looks elegant without being too flashy. It has a nice weight and texture that feels well-made.
V
It has an excellent quality and a shiny finish in the watch case. I’ve noticed that the two parts should glow in the dark but it’s not. The bracelet connecting to casing is not the same in the website picture.
Excellent communication if you have a question with your request to modify something. Fast shipping & tracking number is provided too.
Thank you for your message and for bringing this to our attention. We’d like to clarify that the watch dial does indeed feature a luminous coating. To achieve the glowing effect at night, the dial must first absorb light—preferably natural sunlight or bright artificial light—for a period of time during the day.
We recommend allowing the watch to be exposed to light for a few hours to fully activate the luminescence. Once charged, you’ll be able to enjoy its glow-in-the-dark effect in low-light conditions.
If you have any further questions or need assistance, feel free to contact us.
Best regards,
Skyrim Team
M
The seller was very responsive and provided great service throughout the purchase.
J
The white dial gives the watch a classic look that is easy to pair with different outfits. It's comfortable on the wrist.
w
I have been emailing and requesting a refund for a week now and haven’t heard anything.
S
My mom loved it
B
39mm / Presidential
Very cool watch! Got a lot of compliments on it
A
36mm / Jubilee
great watch great service fast delivery highly recommend
D
36mm / Presidential
The watch is beautiful, and my wife absolutely loved it. The only issue I have is with the presidential wristband I ordered with it — once it’s on, it’s almost impossible to open because the clasp is extremely stiff.
P
39mm / Jubilee
Looks good and very smart
m
I’m honestly amazed by how premium this watch looks and feels. The Roman markers are sharp, elegant and perfectly polished, and the dark dial gives it such a classy, confident presence. It runs flawlessly too. Customer service replied within minutes when I asked a question—unbelievably fast. After so many disappointing experiences elsewhere, finding a brand this reliable feels incredible. Couldn’t be happier!
T
The smooth, rounded shine on this watch is stunning—clearly the result of skilled hand-crafting. It looks elegant without even trying. What impressed me just as much is the timing accuracy. It stays perfectly on track, which gives real peace of mind. And whenever I contacted their support, the response was surprisingly quick. It feels like a brand that genuinely looks after its customers.
J
The onyx black looks incredible in person. The diamond markers add just the right touch — simple but very classy.
Any questions left?
What should you do if the DIY watch style you want isn’t listed on our website?
We carry the most complete selection of mod parts available anywhere—not all of them are listed online.
Feel free to contact us with your custom request via the Instagram or email links at the bottom of the page.
We’ll help you check availability and feasibility, including dial and caseback printing, bezel and dial swaps, and more.
What is the difference between USAMODWATCH and an authentic Seiko watch?
USAMODWATCH is an independent brand that hand-assembles every watch in the U.S. We use genuine Seiko movements and high-quality components to build Seiko mods that are both reliable and truly one-of-a-kind.
Each piece is carefully crafted to combine Seiko’s trusted performance with a unique design you won’t find anywhere else.
What’s the difference between automatic and quartz movement?
Automatic watches run on a spring-driven movement powered by your wrist’s motion. If not worn, they will stop after 41 hours, but just by wearing it again during your daily activities, it will automatically resume running.
Quartz watches are battery-powered and highly accurate. They offer convenience and precision, requiring minimal maintenance.
What’s the difference between Seiko mechanical movements (NH35, NH36, NH38, NH39, NH70)?
Each Seiko movement has a slightly different function and structure:
- NH35 – The most common and reliable automatic movement, with date display.
- NH36 – Similar to NH35 but adds a day-date function.
- NH38 / NH39 – No date, cleaner dial design, often used for minimal or open-heart styles.
- NH70 – A skeletonized version, showing the internal mechanics in motion.
All are automatic, self-winding, and built with Seiko’s precision — the main differences lie in display functions and visual design.
Can I wear it while swimming or showering?
No. Most of our watches are rated 5 ATM for everyday water resistance. However, we don’t recommend wearing it while showering or swimming. The conditions in those environments, such as water vapor, differ from accidental water exposure, and may affect the watch. Water damage is not covered under warranty.
How can you cancel an order if you are not satisfied?
• Before shipping: You can request a full refund within 48 hours.
• After shipping: Returns are accepted if the watch remains in original, resaleable condition.
• DIY custom watches are non-refundable, unless there are significant quality issues.
How does the lifetime free repair service work?
All our watches include lifetime free repair service. You only cover shipping and parts; we handle the craftsmanship. Simply contact us and send your watch in — our team will restore it with care.