


Free DHL Express Shipping with Complimentary Tool Kit.
OCTOMOD | Blackout Chronograph VK63
% Version = No Branding | OEM VERSION = Matches The Movement Style
Stealth design. Octagonal precision. Full black dominance.
OCTOMOD Blackout Chronograph features a brushed octagonal steel case in full black finish, paired with a textured dial and triple sub-dial chronograph layout.
The integrated bracelet flows seamlessly into the case, creating a bold architectural sports profile.
Powered by the reliable VK63 mecha-quartz movement, it delivers crisp chronograph reset and daily durability.
Minimal reflection. Maximum presence.
Specifications & Material
- Diameter: 41mm (excluding the crown)
- Movement: VK63 Mecha-Quartz Chronograph
- Thickness: 12mm
- Glass: Sapphire
- Case: 316L brushed stainless steel
- Crown: Screwed
- Wrist size: 14,5cm to 22cm (adjustable)
- Lugs: 20mm
- Bracelet: stainless steel (with a butterfly style security clasp)
- Case back: Crystal (seen movement)
- Water resistance: 3 ATM
Shipping
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DHL International Shipping Available
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Delivery Time: 4 – 8 Business Days after dispatch
Pairs well with

OCTOMOD | Blackout Chronograph VK63
FAQs
Please read our FAQs page to find out more.
What is a Custom Seiko Mod Watches ?
A Custom Seiko Mod Watch is a timepiece built using high-quality aftermarket components and a reliable Seiko-compatible movement such as the NH35, NH34, or VK63.
Each watch is individually hand-assembled to create a unique design that is not available as a standard factory model.
Disclaimer: Watch Mods is an independent brand and has no affiliation with Seiko or any other manufacturer.
How long does it take to build a mod watch?
Every watch is hand-assembled to order.
Our typical build time is 4–6 business days, followed by full quality checks before dispatch.
How long does shipping take?
We provide Free DHL Express International Shipping on all orders.
Delivery usually takes 4–8 business days after dispatch, depending on destination.
Do you provide a warranty?
Yes. All watches come with a 12-month mechanical warranty covering movement and assembly defects.
This does not include normal wear, accidental damage, or water misuse.
Are the watches water-resistant?
Most models are rated at 3ATM, suitable for daily wear and light splashes.
They are not designed for swimming or diving unless specifically stated.
What’s included in the package?
Each order includes:
- Your hand-assembled watch
- Free adjustment tool kit
- Protective packaging
- Tracking via DHL Express

