
Collapsible content
30-DAY RISK FREE
30-DAY RISK FREE
We stand by the quality of our watches. That’s why you have 30 days to ensure your Tempus meets your expectations.
If you change your mind and the watch is unused, you can return or exchange it easily.
Inspired by the iconic GMT design, and featuring the prestigious Seiko NH34 automatic movement, we present the Seiko Mod GMT. A 40 mm high-end quality watch combining the perfect alliance between excellence and accessibility.
Carefully hand-assembled by experts with the next features:
Feels solid and well-built. The details are incredible, looks even better in person.
Very happy with my order. Shipping was fast and packaging felt premium from the start.
I’ve been wearing it daily and it keeps perfect time. Already got compliments on it!
A Unique Experience
At Tempus, we go beyond watches. Each timepiece comes in a premium custom box with a free adjustment kit for the perfect fit, reflecting our commitment to quality and detail.
You may also like.

Royal Oak Chrono Mod - Navy

Submariner Mod - Black

Submariner Mod - Gold Bluesy

Daytona Mod - Rose Gold

Daytona Mod - Panda

Daytona Mod - Platinum

GMT Mod - Rootbeer

Nautilus Mod - Rose Gold Chocolate Open Heart

Datejust Mod - Roman Baby Blue

Datejust Mod - Olive

GMT Mod - Pepsi
What our customers say.
The finish is impressive
The finish is impressive, feels like a luxury watch but at a fair price.
Love the design
Love the design. Classic look but with unique details that stand out. Already got my second one!
The watch is PERFECT
The watch is PERFECT. Customer service was great as well, they answered all my questions quickly.
Feels amazing on the wrist
The weight is perfect and loved the rubber bracelet. Feels amazing on the wrist. Recommend.
Exceeded my expectations
Been wearing it for weeks, exceeded my expectations. The quality is way above what I imagined.
Looks like something much pricier
The attention to detail is excellent. Looks like something much more expensive.
Frequently asked questions.
The most common questions from our community.
Seiko mods are customised Seiko watches built with upgraded, aftermarket components — allowing you to own a unique, personalised timepiece with a genuine mechanical movement at the heart of it.
Absolutely. We offer fully customisable options where you can choose dials, bezels, hands, straps and more — every detail tailored to your style.
We use authentic Seiko automatic movements paired with premium-grade aftermarket components, ensuring both reliability and a refined finish.
Yes. Every Tempus watch comes with a full 3-year warranty covering manufacturing defects and craftsmanship issues. We stand behind every piece we build.
Yes. We offer a 30-day risk-free return policy. Items must be unused and in their original condition. No questions asked.
All orders ship worldwide at no extra cost. Every package is fully tracked and delivered express — no hidden fees, no surprises.