Hamilton · American Classic

Strap for Ardmore Quartz 18.7 Stainless Steel / Silver

Takes 14 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width14 mm
Case diameter19 mm
ReferenceH11221550
FamilyAmerican Classic
MovementETA caliber 980.163 Hours, Minutes, Small Seconds
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

The American Classic H11221550, seen from the bench

The Hamilton American Classic H11221550 belongs to the collection that revisits the classic designs of the American brand. It features the ETA 980.163 calibre with hour, minute and small seconds indication. The lugs measure 14mm in width.

Frequently asked questions

What is the exact lug width of the Hamilton American Classic H11221550?

The lug width of the Hamilton American Classic H11221550 is 14mm. This is a specific, non-standard measurement that requires straps designed for this precise dimension. To verify it, measure the distance between the case lugs using a digital calliper.

Which strap do you recommend for the Hamilton H11221550?

The choice depends on intended usage. For formal contexts we recommend dark brown alligator or vegetable-tanned calf in black. For business-casual environments, a dense cotton NATO or grey-tortoiseshell calf works well. For summer use, Tropic rubber ensures comfort without aesthetic compromise.

How do I change the strap on the H11221550?

Extract the spring bars (the pins supporting the strap) using a dedicated spring bar removal tool. Position the watch horizontally, gently press one spring bar inward with the tool, remove the old strap, insert the pins into the new strap's slots, and secure them. Verify they are completely seated.

Are aftermarket straps compatible with this lug width available?

Yes, absolutely. Milano Straps offers an extensive selection of artisanal 14mm straps, including alligator, calf, NATO, and rubber. All straps are bespoke and customisable according to your specific aesthetic and construction preferences.

How long does a leather strap last on this watch?

Durability varies by material and usage. Quality alligator and calf guarantee 3-5 years with routine maintenance. Tropic rubber resists 2-3 years. Dense cotton NATOs last 4-6 years. Keep the strap away from excessive moisture and apply specific conditioners every six months.

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