A Seiko mod is a modified watch that uses an authentic Seiko movement, combined with third-party high-quality parts. Most of our watches come in stainless steel with sapphire crystal.

How long will it take to receive my watch?

When you place an order, your watch is hand-assembled, regulated and inspected after purchase. Total delivery usually takes 12–15 days. With Priority Build (€9.99) your watch moves to the front of the bench — this does not promise an earlier delivery date.

Can I customize the logo or remove it?

Absolutely. Send us an email with your order number and full name after ordering, stating your desired design or that you want to remove the logo. You can also leave a note at checkout, or contact us before ordering.

Quarzwerk – 40 mm – Gehäuseboden aus Stahl – MedoMods

Seiko Mod Uhr Quarzwerk – 40 mm – Gehäuseboden aus Stahl – Detailansicht – MedoMods

Seiko Mod Uhr Quarzwerk – 40 mm – Gehäuseboden aus Stahl – Flatlay auf Schiefer – MedoMods

Seiko Mod Uhr Quarzwerk – 40 mm – Gehäuseboden aus Stahl – Nahaufnahme – MedoMods

Quarz Movement - 40mm - Steel caseback

Name: Quarz Movement - 40mm - Steel caseback
Brand: MedoMods
SKU: quarz-movement-40mm-steel-caseback
Price: 239.00 EUR
Availability: InStock

€239.00

incl. VAT, free insured shipping

Available — assembled & regulated for you

Seiko Movement Sapphire Crystal 316L Steel

Delivery in 12–15 days · Priority Build +€9.99 Ships from Germany

Movement: VK63 Meca-Quartz
Case: 40 mm
Crystal: Sapphire Crystal
Water resistance: 5 ATM

Quantity

14-day returns · Ships from Germany · 2-year warranty

Secure payment

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14-Day Returns

Money-back guarantee

Adjustable Strap

Fits all wrists

2-Year Warranty

For worry-free wear

Description

Build your own Daytona-style custom chronograph watch with the Seiko Mod Configurator by MedoMods. Choose your dial, bezel, case finish, and strap or bracelet to create a bold, sporty look inspired by classic racing chronographs.

Each configuration is built around a reliable Seiko chronograph movement and assembled by hand using high-quality aftermarket components. Every watch is regulated and quality-checked before shipping to ensure precise performance and a solid, premium feel on the wrist.

What you can customize:
• Dial color and chronograph layout
• Bezel style (tachymeter) and case finish
• Bracelet or strap options

SPECIFICATIONS

Movement: Seiko VK63 mecha-quartz chronograph (battery-powered, crisp chrono feel)
Case: 316L stainless steel (aftermarket)
Crystal: Sapphire-coated, scratch-resistant
Bezel: Fixed tachymeter bezel
Strap: Premium rubber strap (soft, flexible & water-ready)
Clasp: Secure stainless steel clasp
Pushers: Smooth chronograph pushers for reliable timing
Comfort: Lightweight comfort for everyday use
Battery: Long-lasting battery performance
Water resistance: 5 ATM (50 m) (suitable for daily wear; avoid hot showers/sauna/diving)

BUILD, QC & SHIPPING

Each watch is assembled and quality-checked after your order. Delivery usually takes 12–15 days.

Worldwide tracked & insured delivery is included.

Specifications

Movement: VK63 Meca-Quartz
Case: 40 mm
Crystal: Sapphire Crystal
Material: 316L Stainless Steel
Water resistance: 5 ATM
Strap: Rubber Strap

Shipping & returns

Every watch is hand-assembled, regulated and inspected after your order. Delivery usually takes 12–15 days — with Priority Build (€9.99, selectable at checkout) your watch moves to the front of the bench. Insured shipping with tracking from Germany. 14-day returns and a 2-year movement warranty.

FAQ

What is a Seiko mod?: A Seiko mod is a modified watch that uses an authentic Seiko movement, combined with third-party high-quality parts. Most of our watches come in stainless steel with sapphire crystal.
How long will it take to receive my watch?: When you place an order, your watch is hand-assembled, regulated and inspected after purchase. Total delivery usually takes 12–15 days. With Priority Build (€9.99) your watch moves to the front of the bench — this does not promise an earlier delivery date.
Can I customize the logo or remove it?: Absolutely. Send us an email with your order number and full name after ordering, stating your desired design or that you want to remove the logo. You can also leave a note at checkout, or contact us before ordering.

MedoMods is an independent maker and is not affiliated with or endorsed by Seiko, Rolex, Patek Philippe, Audemars Piguet or any other brands mentioned. Third-party model names are used descriptively (homage style) only.