Technical Archive

Hamilton
Khaki Navy H64545153— lug 20mm

Hamilton Khaki Navy H64545153: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Khaki King Scuba Automatic

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Hamilton H64545153
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

H64545153

Movement

ETA caliber 2834-2 Hours, Minutes, Seconds | Date, Day

The Heritage

The Khaki Navy represents Hamilton's military naval line, equipped with an ETA caliber 2834-2 automatic movement. The caliber offers indication of hours, minutes, seconds, date and day of the week. The watch features 20mm lugs for the strap.

FAQ

What is the lug width of the Hamilton Khaki Navy H64545153?

The lug width of the H64545153 is 20mm. This measurement is taken between the centres of the two spring bar pins protruding from the case. It is essential to select straps measuring exactly 20mm to ensure a proper fit without play or risk of the watch coming loose.

Which strap do you recommend for the Hamilton Khaki Navy H64545153?

It depends on your intended use. For authentic aviator styling, a nylon NATO in black or grey offers maximum tactical security. For daily elegance, an alligator or dark brown calf leather strap develops a beautiful patina over time. In humid environments, rubber or Cordura straps provide complete water resistance. milanostraps.it offers all these options in compatible 20mm sizing.

How do you change the strap on the H64545153?

The H64545153 features standard removable spring bars. Position the watch so the spring retracts downward when released. Using a dedicated tool or flat knife tip, gently push the bar inward, slide out the old strap, insert the new one aligning it with the case holes. Avoid forcing to prevent case damage.

Are aftermarket straps compatible with the H64545153?

Yes, provided they are 20mm straps. milanostraps.it offers a wide selection of artisanal leather, NATO and rubber straps, all certified for 20mm lug width. Always verify the specified width before purchasing to avoid incompatibility issues.

How long does a leather strap last on the Khaki Navy H64545153?

A quality leather strap, such as those offered by milanostraps.it with vegetable tanning, typically lasts 3–5 years under normal usage conditions. Longevity depends on sun exposure, humidity and frequency of wear. The natural patina that forms enhances aesthetic character over time, although the material gradually wears.