







Santeiko Mod Silver - Gold
Inspired by the iconic Santos design, and featuring the prestigious Seiko NH35 automatic movement, we present the Seiko Mod Santos Classic Black. A 38 mm high-end quality watch combining the perfect alliance between excellence and accessibility. Carefully hand-assembled by experts with the next features:
- Diameter: 38mm (excluding the crown)
- Movement: Seiko NH35 automatic movement|
- Thickness: 12mm
- Glass: Sapphire, anti-scratch with anti-reflective treatment
- Luminova: Yes
- Case: 316L stainless steel
- Wrist size: 14,5cm to 22cm (adjustable) |
- Lugs: 20mm
- Bracelet: 316L stainless steel (with a butterfly style security clasp)
- Case back: Crystal (seen movement)
- Water resistance: 15ATM

Santeiko Mod Silver - Gold
Why Choose Moddys?
Unlike cheap Seiko mods that cut corners with low-end parts and unreliable workmanship, Moddy's offers precision-built, hand-crafted custom watches using only premium components.
Superior Materials: We use authentic Seiko movements and high-end components to ensure durability and performance.
Unparalleled Craftsmanship: Each watch is expertly assembled, with perfect alignment, smooth operation, and long-lasting reliability.
Made to last: No shortcuts or compromises—just personalized watches that you can buy once and wear forever.
Quality Guaranteed: All Moddy's watches undergo strict quality control so you receive a piece you can trust.

Handmade by professionals
Tested for water resistance
Rigorous quality control and proven performance
Over 570 ★★★★★ reviews on Trustpilot
Fast shipping and guaranteed delivery
Original Seiko movements and high-end parts
Quality backed by a guarantee
PREMIUM QUALITY
FOR A BETTER EXPERIENCE
Premium materials, thoughtful details, and proven performance. All designed to offer a user experience that lives up to its design.

SAPPHIRE CRYSTAL
Equipped with ultra-clear, scratch-resistant sapphire crystal. Your watch will stay crystal-clear, no matter what.

STAINLESS STEEL
Made with 316L stainless steel, known for its durability, corrosion resistance, and flawless finish. The same material used by top brands for a shine that lasts a lifetime.

WATER RESISTANT
Rain or splashes? No problem. Our watches are water resistant up to 3 ATM, ideal for everyday use. And if you need more, we offer a 5 ATM upgrade for added protection.

SEIKO MOVEMENT
Automatic, self-winding, with over 41 hours of power reserve and valued in the watchmaking industry for its precision.

Elevate Your Experience
At Moddy's, we go beyond watches. Each watch comes in a fancy leather box that shows our commitment to quality. And that's not all; every purchase includes a free toolkit with a guide to help you adjust your watch strap for a perfect fit.
Plus, we add cool stickers and surprises to make your Moddys experience even better. It's our way of making sure every unboxing is exciting and special for you.
NEED HELP?
FREQUENTLY ASKED QUESTIONS
What is a Seiko Mod?
A Seiko Mod is a special watch hand-assembled from a prestigious Selko NH35 automatic movement, combined with high-quality aftermarket parts, usually made of 316L stainless steel.
Shipping Time? | Customs & Duties?
1. Assembly: Each watch is hand assemlbed per your request and it takes 2-4 working days to put together your watch and do quality testing.
checks to ensure optimal performance.
2. Shipping: Your watch is then shipped, which typically requires 4-8 working days. Each watch is hand assembled just for you, ensuring each watch meets our high standards before it reaches you.
About the cost, shipping is totally free, and we have also included your country's import duties in the price, so you won't incur any additional charges or fees during the delivery of
your watch.
Note: Please note that delivery times may vary depending on the destination country.
How can I adjust the strap size?
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Is it possible to remove Seiko logo?
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Can I design my own watch?
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