Hamilton · Khaki Navy

Strap for Khaki Navy Sub

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter40 mm
ReferenceH74511333
FamilyKhaki Navy
MovementETA caliber 955.112 Hours, Minutes, Seconds | Date
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Khaki Navy H74511333

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Khaki Navy H74511333, seen from the bench

The Khaki Navy is a timepiece from the Hamilton military collection equipped with hour, minute, second and date functions. It houses the quartz ETA 955.112 caliber with indication of hours, minutes, seconds and calendar. The lugs measure 20mm in width.

Frequently asked questions

What is the lug width of the Hamilton Khaki Navy H74511333?

The lug width of the H74511333 is 20mm. This width is standard across Hamilton's Khaki Navy collection and represents the ideal balance between elegance and functionality. To verify, measure with a calliper the internal distance between the two metal protrusions on the case.

What is the best strap for the Hamilton Khaki Navy H74511333?

The best strap depends on use and personal preference. For formal elegance, we recommend dark brown alligator or vegetable-tanned calf leather. For daily practicality, cotton-nylon NATO or FKM rubber. Shell cordovan represents the premium solution, lasting over 30 years whilst developing natural patina. All 20mm straps are compatible with the H74511333.

How do you change the strap on a Hamilton Khaki Navy H74511333?

Strap replacement is straightforward: position the watch case-side up, locate the spring bar release mechanism beneath the lug, use a dedicated tool to compress it laterally, remove the old strap, insert the new one by aligning the lug holes with the bar ends. Professional servicing is unnecessary. Milanostraps provides detailed instructions with every purchase.

Is the H74511333 compatible with quality aftermarket straps?

Yes, entirely. The H74511333 features standard 20mm lugs, universally compatible with any aftermarket strap of the same width. Artisanal straps in premium leather, cordura or technical rubber offer superior quality compared to originals. Always verify that the supplier specifies 20mm lug width.

How long does a leather strap last on a watch like the H74511333?

Durability depends on leather type and use patterns. Vegetable-tanned leather (calf, goat) resists 5-8 years with regular care. Alligator and shell cordovan last 15-30+ years, developing cherished patina. FKM rubber maintains performance 8-12 years. Exposure to humidity, heat and perspiration accelerates wear. Applying protective balm periodically significantly extends useful life.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only