Steinhart · Marine

Strap for Marine-Officer Grey

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter44 mm
ReferenceC0420
FamilyMarine
MovementETA caliber 2824-2 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 Marine C0420

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Marine C0420, seen from the bench

The Steinhart Marine features the automatic ETA 2824-2 caliber with hour, minute, second and date functions. The watch has 22mm lug width for the strap. The Swiss Made movement ensures reliability in basic timekeeping.

Frequently asked questions

What is the exact lug width of the Steinhart Marine C0420?

The lug width of the Steinhart Marine C0420 is 22 millimetres. This measurement is taken between the inner edges of the lugs on the case and is essential for ensuring strap compatibility. To verify compatibility before purchase, measure the distance between the lugs on your watch directly.

Which strap do you recommend for the Steinhart Marine C0420?

For the C0420, we recommend straps in vegetable-tanned leather, particularly in cognac or dark brown tones, which emphasise the sobriety of the 44mm case. Alternatively, NATO straps in grey or black canvas offer practicality and versatility. For warm climates or water exposure, rubber represents the most resistant and functional solution.

How do you change the strap on this model?

The strap is changed by removing the spring bars, the small pins that anchor the strap to the case lugs. Using a dedicated tool (spring bar tool) or a gentle implement, compress the spring bar slightly and slide the strap outward. Repeat on both sides, then insert the new strap by aligning it with the lugs and release the spring bars.

Does using an aftermarket strap compatible with the C0420 void the watch warranty?

No. Changing the strap with an aftermarket model of 22mm width does not compromise the warranty, as this constitutes ordinary maintenance and aesthetic customisation. Ensure the strap is of the correct width and that the spring bars are of quality to avoid damaging the lugs.

How long does a leather strap last on a watch like the C0420?

A leather strap of quality, with vegetable tanning and artisanal craftsmanship, lasts on average between 3 and 5 years with moderate daily use. Longevity depends on sun exposure, humidity, perspiration and frequency of use. A good practice is to rotate the strap with alternatives to distribute wear and preserve the original patina over time.

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