Hamilton · Khaki Field

Strap for Khaki Field Quartz 38 Stainless Steel / Green

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

Lug width20 mm
Case diameter38 mm
ReferenceH68201963
FamilyKhaki Field
MovementETA caliber F06.111 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 H68201963

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Khaki Field H68201963, seen from the bench

The Khaki Field represents Hamilton's military line, developed based on the watches supplied to the American armed forces during World War II. The H68201963 model features the ETA F06.111 quartz calibre, with hour, minute, second and date indications. The watch has 20mm lugs and maintains the functional field watch design.

Frequently asked questions

What is the exact lug width of the Hamilton Khaki Field H68201963?

The lug width of the Hamilton Khaki Field H68201963 is 20mm. This dimension is measured between the lugs of the case, at the point where the strap attaches. It is a less common standard compared to 22mm, so careful selection of aftermarket straps is required. Straps must be specifically designed for this width to ensure proper fit and wrist comfort.

Which strap material is recommended for the Khaki Field H68201963?

The Khaki Field H68201963 pairs ideally with alligator straps featuring vegetable tanning for formal settings, vegetable-tanned calf leather for everyday versatility, NATO cordura for preserving military heritage, or vulcanised rubber for absolute practicality. Choice depends on use: civilian environments favour alligator or calf, whilst tactical situations favour NATO or rubber.

How do I change the strap on a watch with threaded lugs like the H68201963?

The Khaki Field H68201963 features threaded male lugs, not spring bars. To change the strap, gently unscrew the lugs using an appropriately sized watchmaker's screwdriver. Do not force: the threads are sensitive. Professional assistance is recommended if you are unfamiliar with the procedure. Once old lugs are removed, screw the new strap on with moderate pressure, avoiding overtightening.

Can I use a quality aftermarket strap on this model?

Absolutely. A quality artisanal aftermarket leather strap with certified 20mm lug width is perfectly compatible with the Hamilton Khaki Field H68201963. It is indeed recommended: specialised strap makers offer materials, craftsmanship and finishes superior to factory straps. Always verify that the strap is cut for 20mm threaded lugs.

How long does a natural leather strap last on the Khaki Field H68201963?

A quality vegetable-tanned leather strap, with ordinary maintenance, lasts 3–5 years in daily use. Longevity varies according to climate (humidity and heat accelerate ageing), frequency of use, and care. Clean periodically with a damp cloth and apply specific balm every 6 months to extend strap life. Natural leather develops characteristic patina over time: this is a quality, not a defect.

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.

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