Astra GMT Division

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Astra Daytona Division

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Astra Datejust + Day-Date Division

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Astra Nautilus Division

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Astra Royal-Oak Division

Astra Santos Division

Astra Special's Division

Why Mod A Seiko?

Built Like Tanks

Seikos are known for rugged movements like the NH35, tough, accurate, and built to handle serious wear.

all is perfect just make the bands the same ones you can get from rolex like the rubber one and the metal ones and some of the two tones and some jubalee ones and the other options

Affordable Canvas, Unlimited Creativity

You’re not stuck babying a $10K luxury piece. You can tear it down, rebuild it and upgrade everything without breaking the bank.

can we make it an open watch with the nh35 moveent showing but no dial

Modding is Personal

You’ve got taste. Why hide it behind a factory design?

When you mod a Seiko, you’re not just upgrading a watch, you’re building something that reflects you.

Build My Watch

Why Astra Mods?

🛠️ Hand-Built In-House

Built with precision. Assembled by passion.
Every Astra Mod is handbuilt not mass produced. We pick every part. Tune every detail.
Because machines make watches. But humans build pieces that mean something.

🚚 Fast Shipping from Stock

No waitlists. No overseas delays.
While other builders take weeks to assemble or ship, Astra Mods are built and ready to go.
Crafted in advance. Shipped from our bench.
You order, we pack, it’s on your wrist in days, not months.

💸 Luxury Look, Honest Price

No markup. No flex tax. Just damn good value.
We give you the style, materials, and finish of a $1,000+ timepiece without the hype price tag.
You’re paying for craftsmanship, not a logo.