






Luminox F-117 Nighthawk 6420 Series Black Dial Men's Watch XA.6421
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Luminox F-117 Nighthawk 6420 Series Watch XA.6421
The Case:
The 45mm case of this Luminox F-117 Nighthawk XA.6421 is crafted from PVD-plated gunmetal stainless steel. The distinctive angular bi-directional bezel provides this watch with its cutting-edge aesthetics. The bezel features superluminova hour markers for unparalleled night visibility. A bold crown guard protects an easy to grip screw down crown . Ultra scratch resistant sapphire crystal glass protects the watch, it has been treated to an anti-reflective coating to allow for optimum legibility. A screw down case back offers impermeability.
The Dial:
The clean layout of the black dial allows for easy readability. Bold white luminous numerals form a track around the edge of the dial. They come in the same stencilling as the letters in the cockpit, tying the watch back to its roots. A date window replaces the 3 o’clock marker. The handset has also features a superluminova coating to allow for maximum readability in the dark. A red hand is also present on the dial which allows a GMT time display. The Luminox logo sits proudly beneath the 12 o’clock marker.
The Strap:
A black kevlar strap Is dynamic and functional, if features a leather inner lining to allow it to sit comfortably on the wrist. A standard buckle fastens the strap easily and securely.
The Functions:
Swiss quartz movement powers this timepiece, ensuring superlative accuracy. It has a water resistance of 200 metres, meaning that it can be used for scuba diving.
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UK Delivery
| Selling Price | Royal Mail 48 (Tracked) |
Royal Mail 24 (Tracked & Signed) |
Special Delivery Next Day (Mon – Fri) |
Special Sunday Delivery (Before Sat 12pm) |
Royal Mail Special Delivery by 1pm |
|---|---|---|---|---|---|
| £0 to £99.99 | FREE | £4.99 | £7.99 | £7.99 | £9.99 |
| £100 to £499.99 | N/A | FREE | £7.99 | £7.99 | £9.99 |
| £500 or more | N/A | N/A | FREE | £7.99 | £9.99 |
We know your order is important to you, so we use Royal Mail’s tracked delivery service on all UK orders.
We also offer Royal Mail Special Delivery service, which for an additional fee offers guaranteed delivery the next day before 1pm.
*Royal Mail Tracked 24 and Royal Mail Tracked 48 services are 98% accurate but not guaranteed.
Orders placed before 5pm (Monday–Friday) are dispatched the same day. Orders placed on Saturday or Sunday are dispatched the following Monday.
International Shipping & Duties (Delivered At Place – DAP)
We’re pleased to offer worldwide delivery with fully tracked and insured shipping.
How international orders work
All international orders are shipped on DAP (Delivered At Place) terms. This means:
- The price you pay at checkout covers your goods and international shipping only.
- WatchNation does not collect or charge any overseas sales tax, import VAT, or customs tariffs (duties).
- When your order reaches your country, local customs authorities may apply:
- Import VAT (value-added tax),
- Tariffs or customs duties (import taxes based on product category and value), and
- Handling or clearance fees from the courier.
These charges are set by your country’s customs authority and are payable by you before delivery.
You’ll be contacted directly by DHL with a secure link to pay any applicable charges. Once cleared, your parcel will be released and delivered promptly.
Estimated delivery times (after dispatch)
- European Union: approximately 2–5 working days
- Rest of World: approximately 5–7 working days
Customs processing times vary by country and may extend delivery slightly.
If import charges, tariffs, or duties are not paid
If local charges are unpaid or delivery is refused, the shipment will be returned to us. In this case, we will refund your order minus the outbound shipping cost and any return or customs fees billed to us by the carrier.
Estimating import costs
Import VAT and duty rates vary by country. You can check estimated import taxes and tariffs by contacting your local customs authority or using your government’s online import calculator.
More about delivery...

Need help?
Frequently Asked Questions
Yes — we are an Authorised Dealer for every brand we sell. All watches come with an official box, papers, and a full manufacturer’s warranty.
Every watch includes a manufacturer warranty. You’ll find more warranty info listed in the product description.
Orders placed before 5pm (Mon–Fri) are dispatched the same day. Order before 12pm on Sat for same-day dispatch. Free UK delivery is available on all orders, and tracking details are provided once shipped.
Yes — you have 30 days from delivery to return or exchange your item, provided it’s unused and in its original packaging.





