Hamilton · Khaki Field

Strap for Khaki Field Quartz 40 Stainless Steel / Black

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
ReferenceH68551733
FamilyKhaki Field
MovementETA caliber F07.111 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 Field H68551733

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Khaki Field H68551733, seen from the bench

The Khaki Field represents Hamilton's military line, developed for field applications. It mounts the ETA F07.111 quartz caliber with hour, minute, second and date indications. Standard 20mm lugs for the strap.

Frequently asked questions

What is the exact lug width of the Hamilton Khaki Field H68551733?

The Hamilton Khaki Field H68551733 features a lug width of exactly 20mm. This measurement refers to the distance between the inner sides of the watch lugs. Always verify with a digital caliper before ordering a replacement strap.

What is the best strap for the Hamilton Khaki Field H68551733?

The optimal strap depends on intended use: for formal contexts, dark-toned alligator leather (brown or black) is recommended; for daily versatility, vegetable-tanned calf leather develops excellent patina; for tactical wear, military grey NATO straps are ideal. Shell cordovan delivers superior durability and ageing properties.

How do I change the strap on my Hamilton Khaki Field H68551733?

Slightly unscrew the crown before removal. Use a spring bar tool to lift the lug fasteners. Insert the new 20mm strap beneath the lugs, ensuring it sits centred. Press downward until you hear the click. Never force to avoid damaging the lug holes.

Is an aftermarket strap compatible with the Hamilton Khaki Field H68551733?

Yes, any strap manufactured for a 20mm lug width is fully compatible with the H68551733. Bespoke straps from Casati Milano are specifically crafted for this measurement, maintaining proper visual proportions without lateral overhang.

How long does a leather strap last on a Hamilton Khaki Field H68551733?

A quality leather strap with vegetable tanning and certified craftsmanship typically lasts 3-5 years of daily wear, provided it receives proper maintenance and protection from prolonged moisture exposure. Shell cordovan extends this to 7-10 years. The patina that develops is integral to artisanal aesthetics.

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