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Official UK Authorised Retailer
Full Manufacturer Warranty
Free Delivery
Extended Christmas Returns Until 15th Jan 2026
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Hamilton Khaki Navy BeLOWZERO Automatic Black Titanium Men's Watch H78505330
The Hamilton Khaki Navy BeLOWZERO Titanium H78505330 is a professional-grade diver’s watch designed for extreme underwater conditions. Its 46mm titanium case, coated in black PVD, combines rugged durability with lightweight comfort, making it suitable for extended wear during demanding activities. The black satin dial features oversized Super-LumiNova® numerals and sword-style hands for maximum legibility, protected by a scratch-resistant sapphire crystal.
Precision and Reliability
Powered by Hamilton’s H‑10 automatic movement, the H78505330 delivers a robust 80‑hour power reserve. Engineered for professional diving, it offers water resistance up to 1,000 metres and includes a helium escape valve to safeguard the movement during deep-water excursions. The watch provides reliable performance in harsh environments, maintaining precision and durability where it matters most.
Design and Comfort
The unidirectional bezel, with raised markers and a coin-edge design, allows secure handling even with gloves. The screw-down crown and integrated case guard further enhance protection. A ribbed black rubber strap with a titanium PVD-coated buckle ensures comfort and a secure fit, complementing the watch’s bold, functional design. The embossed case back pays homage to its diving heritage with a diver’s mask motif.
Versatile Style
The BeLOWZERO Titanium H78505330 is perfect for professional divers, water sports enthusiasts, and anyone seeking a watch capable of extreme conditions. Its combination of technical performance, robust materials, and striking aesthetics makes it equally impressive on land or underwater, offering a commanding presence with practical functionality.
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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.
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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.



