





Hamilton Khaki Aviation Pilot Automatic Silver Dial Leather Strap Men's Watch H64635550
Official UK Authorised Retailer
Full Manufacturer Warranty
Free Delivery
Extended Christmas Returns Until 15th Jan 2026
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The Hamilton Khaki Aviation Pilot Day Date Auto H64635550 strikes a balance between pilot‑watch heritage and modern practicality. Its 42mm stainless steel case frames a silver dial with bold, easy‑to‑read numerals and a prominent day‑and‑date display, a design that ensures clarity whether you’re in the cockpit or at your desk. Large sword‑style hands and luminous markers deliver superb legibility day or night.
Aviation‑Inspired Design with Everyday Versatility
This model draws from classic pilot‑watch principles: high contrast dial, clear numerals, and a no‑nonsense layout that prioritises readability and utility. Despite its aviation roots, the watch wears comfortably for everyday use and adapts well to both casual and formal outfits.
Reliable Automatic Movement & Strong Performance
Powered by Hamilton’s in‑house calibre H‑30 automatic movement, the watch offers a generous 80‑hour power reserve and benefits from a Nivachron™ balance spring for improved resistance to magnetic fields and external shocks. The day‑date feature adds practical functionality for everyday wear.
Quality Build & Comfortable Wear
The 42 mm case, 12.1mm thick, paired with a light brown calf‑leather strap, gives the watch a balanced wrist presence and comfort. A sapphire crystal with anti‑reflective coating and open case-back underline the quality build, while a 20mm lug width keeps proportions classic and wearable.
Water Resistance & Practical Reliability
With water resistance rated to 100 metres (10 bar), the watch is suitably prepared for daily life, rain, splashes or light water exposure, making it a dependable companion whether you’re travelling, commuting or on the move.
A Watch That Marries Heritage with Function
The H64635550 is a versatile pilot‑style automatic watch that blends heritage design cues, modern mechanics and everyday practicality. Whether you’re drawn by its aviation DNA or simply seek a well‑built, reliable timepiece for daily wear, this Hamilton offers a strong mix of style, functionality and durability.
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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.



