Hamilton · Khaki Navy

Strap for Khaki King Scuba Quartz

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

Lug width20 mm
Case diameter41 mm
ReferenceH64551753
FamilyKhaki Navy
MovementETA caliber 955.132 Hours, Minutes, Seconds | Date, Day
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 H64551753

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Khaki Navy H64551753, seen from the bench

The Hamilton Khaki Navy features the ETA 955.132 caliber with hour, minute, second, date and day of the week indications. The model has 20mm lugs for the strap. The reference H64551753 belongs to the Khaki collection inspired by military and nautical watches.

Frequently asked questions

What is the lug width of the Hamilton Khaki Navy H64551753?

The Hamilton Khaki Navy H64551753 features a 20mm lug width. This standard, consistent with tactical timepieces, accommodates classic leather straps, NATO straps, and vulcanised rubber bands. Always verify compatibility by measuring the distance between the internal lug holes to ensure perfect fitting.

What is the best strap for the Hamilton Khaki Navy H64551753?

The optimal choice depends on your intended use: for tactical and wet environments, FKM rubber delivers durability and immediate cleanability. For formal contexts, vegetable-tanned calf in sand or dark brown tones complements the watch's military aesthetic. Alligator leather represents the most sophisticated option, with natural texture that enhances the design. A grey steel NATO recalls Hamilton's aviation heritage.

How do I change the strap on the Hamilton Khaki Navy H64551753?

20mm straps are changed using spring bar removers: a small lever-shaped tool that gently compresses the lug pins without damaging the case. Position the flat end of the remover beneath the pin, apply slight pressure, then extract the old strap. Insert the new strap by aligning the saddle with the pin and release gently. If you prefer to avoid the risk of scratches, consult a specialist atelier.

Can I use an aftermarket strap on this Hamilton?

Yes, any quality strap with 20mm lug width is compatible. Ensure the strap's effective width (the portion that enters the lug) is correct: 20mm nominal, measured internally. Artisanal quality straps, manufactured with vegetable tanning or technical rubbers, offer superior durability compared to budget industrial alternatives.

What is the lifespan of a leather strap on the Hamilton Khaki Navy H64551753?

A quality leather strap (vegetable-tanned calf or alligator) lasts 3-5 years with daily wear, developing a natural patina that increases aesthetic value. Longevity depends on moisture exposure, cleaning frequency, and type of tanning. NATO and vulcanised rubber straps offer greater durability—up to 7-10 years—with minimal maintenance.

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