The Seiko Mod Datejust "Arabic Grey" features a gray dial with Arabic numerals, a fluted bezel, and a stainless steel bracelet. The muted palette creates a restrained, distinctive expression of the classic design.
The Seiko NH35 automatic movement offers automatic winding, manual winding, and a hacking seconds function, providing dependable mechanical performance for daily wear.
Each watch is carefully prepared before shipping and includes a 2-year limited warranty.
Premium presentation packaging, a manual, bracelet sizing tool, and a 2-year limited warranty.
2-Year Limited Warranty: Coverage for defects in materials or workmanship under normal use. State-law rights may also apply.
30-Day Trial: Request a return within 30 calendar days after delivery. Items must meet the published return conditions.
Free standard shipping: Available to all 50 U.S. states. Estimated delivery is 4–11 business days.
QUALITY, NO SHORTCUTS
Every Haverlyn watch is built with 316L stainless steel — strong, durable, and ready for everyday wear.
High-resistance sapphire crystal that protects the dial from everyday scratches.
A Japanese TMI automatic movement from the Seiko group, chosen for its reliability, accuracy, and easy upkeep.
Every unit is individually pressure-tested to 5 ATM before it leaves our workshop.
EVERYTHING INCLUDED
Individually quality-checked before it ships.
Protects your watch in transit and makes it gift-ready.
A small tool kit to easily size the bracelet to your wrist.
Coverage handled directly by Haverlyn Watch Co.
(10,000+) verified customers
This build is absolute fire. The rhodium-style sunburst dial paired with the light blue second hand looks clean and aggressive. The matte finish on the bezel insert gives it that exact premium look I was hoping for. Sits perfectly on the wrist, bracelet feels solid, and the movement is running smoothly.
Received this two days ago and I couldn't be happier. I ordered this custom 'Wimbledon' style setup with the slate gray sunburst dial and green Roman numerals, and the execution is flawless. The fluted bezel catches the light incredibly well and the two-tone Jubilee bracelet feels heavy and super comfortable. You can tell real care went into the assembly; everything is aligned perfectly and the automatic movement runs smooth. Great communication from the builder throughout the process. 100% recommended if you want a top-tier custom build!
The build quality is insane, and it looks even better than the photo. The custom chronograph dials and the ceramic bezel work flawlessly. The rubber strap is super comfortable for daily wear. This is my second Seiko mod and I'm already planning the next. Totally impressed!
Another solid Seiko. The mod work is clean, the dial is attractive, and it keeps reliable time. Comfortable and versatile. Very satisfied.
Been wearing the Royal Oak mod for a month straight while hiking and working. The sapphire glass is scratch-free and the brushed steel case holds up great.
Great assembly work. The hands alignment is dead-on and the screw-down crown feels very secure. Will definitely order a second mod soon.
Seeing the balance wheel move through the black dial open heart feature is mesmerizing. The integrated bracelet is solid and doesn't pull wrist hairs at all.
The matte PVD coating is durable and doesn't scratch easily. The square case sits flat on the wrist and looks extremely high-end. 10/10 custom build.
Very happy with this purchase. The watch arrived well packaged, keeps excellent time, and the attention to detail on the mod is impressive. Highly recommend.
This is my second Seiko and it won’t be the last. The mod work is clean, the lume is bright, and the bracelet is comfortable right out of the box. Looks way more expensive than it is.
The GMT "Batman" mod is absolute perfection visually, and the ceramic bezel is super crisp. I'm giving it 4 stars only because resizing the jubilee bracelet pins was a bit stiff out of the box. Once sized, it fits like a dream.
Bought this Seiko mod for myself and I’m really impressed. The finishing is excellent, the dial looks sharp in person, and it keeps great time. Feels solid on the wrist without being too heavy. Definitely worth the money.
I was skeptical about ordering a Seiko mod online, but this piece completely blew me away. The weight of the steel bracelet, the smooth sweep of the NH35 movement, and the perfect bezel alignment are top-tier. I've gotten more compliments on this than on watches three times the price.
ENGINEERING ON DISPLAY
See how every part comes together into a precise, solid watch built for everyday wear. Nothing is there by accident.
HAND-ASSEMBLED BY WATCHMAKERS
Every watch is assembled, adjusted, and individually inspected before it leaves our workshop.
THE DIFFERENCE IS IN THE DETAILS
Haverlyn Watch Co. is an independent company. It is not affiliated with, authorized by, or endorsed by Seiko Watch Corporation. Seiko and TMI are trademarks of their respective owners.
DESIGN THAT SPEAKS
The front view says it all: balanced proportions, a dial with real depth, and finishes designed to stand out without trying too hard.
SHOP WITH CONFIDENCE
Try it carefully at home
Clear instructions and responsive support
Coverage for manufacturing defects
Encrypted payment processing
Standard shipping to all 50 states