Skip to product information
SANTEIKO SANTOS ROMAN SIENA BROWN EDITION

SANTEIKO SANTOS ROMAN SIENA BROWN EDITION

Note: This is a custom-built timepiece using TMI Seiko movement. Monomods is not affiliated with any watch brand.

$334.95 USD
In stock
Logo

Free shipping

2-Year Warranty

30-Day Returns

🔒 Money-Back Guarantee & 180-Day Buyer Protection On All Credit Card Purchases

Payment methods
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Maestro
  • Mastercard
  • Shop Pay
  • Union Pay
  • Visa
Description & Specifications

 

INFO

The Santeiko Santos Roman Siena Brown Edition embodies timeless sophistication with a touch of vintage warmth. Its 38mm 316L stainless steel case combines strength and elegance, complemented by a sapphire crystal with anti-reflective coating for enduring clarity. The crisp white dial with bold black Roman numerals and blued steel hands captures classic refinement, while the rich brown leather strap adds depth and character.

Powered by the reliable NH35 automatic movement, it offers precision and smooth performance. Luminova-coated hands ensure readability in any light, and the exhibition case back reveals the movement’s mechanical beauty. With 3ATM water resistance and a secure butterfly clasp, this edition blends heritage, craftsmanship, and individuality — built for those who value enduring style with modern precision.

 

SPECS

 

Specification Details
Diameter 38 mm (excluding crown)
Thickness 12 mm
Movement Seiko NH35 automatic movement
Glass Sapphire, anti-scratch with anti-reflective treatment
Luminova Yes
Case 316L stainless steel
Dial White dial with Roman numerals and blued hands
Strap Brown leather strap, butterfly style security clasp
Lugs 20 mm
Wrist size 14.5 cm – 22 cm (adjustable)
Case back Crystal (exhibition, visible movement)
Water resistance 3 ATM
Return Policy

Enjoy peace of mind with our 30-day money-back guarantee. If your purchase doesn’t meet expectations, simply return it within 30 days for a full refund—no questions asked. Shop confidently, knowing we’re committed to your complete satisfaction.

2 Years Warranty

Enjoy peace of mind with our complimentary 2-year extended warranty. Every watch is protected against manufacturing defects to ensure long-term reliability and satisfaction.

You may also like..

Hand-assembled with care from sapphire crystal, ceramic bezels, leather or stainless steel straps, and Luminova — All powered by precise Japanese movements.

Monomods

Free shipping

180-Day warranty

30-Day returns

Based in the UK

Your signature timepiece

Why Monomods

Unlike mass-produced mods that cut corners, MONOMODS Watches delivers handcrafted, precision-built timepieces using only premium components and movements.

What Sets Us Apart
Handcrafted by professionals
Tested for waterproof resistance
Strict quality control & tested performance
Fast shipping & guaranteed delivery
Premium movements & high-grade parts
Warranty-backed quality you can trust

Related products

Frequently asked questions

Are the watches waterproof?

Our watches have a 3ATM water resistance, meaning they handle splashes and rain but are not suitable for swimming or diving.

What warranty do you offer?

Every watch includes a 2-year international warranty covering mechanical defects and craftsmanship.

What movement does the watch use?

Each timepiece is powered by a reliable Japanese movement such as the NH34, NH35, NH70, or VK63 renowned for their precision, durability, and smooth performance. We carefully select these proven automatic and hybrid calibres to ensure every watch delivers lasting accuracy and mechanical excellence.

How long will delivery take?

Orders typically arrive within 5–14 days with free tracked shipping. You’ll receive tracking updates once your watch ships.

Can I return or exchange my watch?

Yes, you have a 30-day money-back guarantee from the day you receive your order. Contact support@monomods.com to start a return.

Can I request custom adjustments or strap changes?

Absolutely. If you’d like a different strap, bracelet, or color not listed on our site, contact our support team before ordering, and we’ll personalize it for you where possible.

Are you affiliated with Any other brands?

No. We’re an independent brand using authentic Japanese movements and custom components to create unique handcrafted timepieces.

What materials are used?

All watches are made with premium 316L stainless steel, sapphire crystal glass, and high-grade ceramic or alloy components for durability and clarity.

Do you offer engraving or personalization?

Yes. We offer custom engraving and personalization options to make your timepiece truly yours. Whether it’s a name, date, or special message, our team can engrave it discreetly on the caseback. Simply contact support@monomods.com before or after your order, and we’ll guide you through the options available.

What happens if my watch arrives damaged?

In the rare case your watch arrives damaged or defective, don’t worry — you’re fully covered. Contact support@monomods.com within 7 days of delivery, and we’ll arrange a replacement or repair at no cost. Every watch is protected under our 2-year warranty and 30-day money-back guarantee for your peace of mind.