Steinhart · Military

Strap for Military 42 Black

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

Lug width22 mm
Case diameter42 mm
ReferenceMY0603
FamilyMilitary
MovementETA caliber 6498-1 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

Straps for the Military MY0603

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Military MY0603, seen from the bench

The Steinhart Military reference MY0603 is equipped with the manual-winding caliber ETA 6498-1 with hour, minute and small seconds indication. The movement features a small seconds subdial. The lug width is 22mm.

Frequently asked questions

What is the lug width of the Steinhart Military MY0603?

The lug width of the Steinhart Military MY0603 is 22mm. This measurement represents the distance between the spring bar pins that connect the strap to the case. To verify it accurately, use a digital callipers positioned between the inner pins without forcing the case. This standardised width provides access to a wide selection of compatible artisanal straps.

Which strap is most suitable for the Steinhart Military MY0603?

The choice depends on the intended use. For tactical deployment, a NATO in 1.4mm technical nylon ensures mechanical resilience and rapid interchangeability. For formal rotation, vegetable-tanned alligator develops natural patina and visible texture over time. Vegetable-tanned calf offers superior suppleness during initial wear. FKM synthetic rubber maintains flexibility across extreme temperature ranges and suits humid environments or significant thermal fluctuations.

How do I change the strap on the Steinhart Military MY0603?

The process is straightforward and requires no professional tools. Position the watch on a stable surface with the case facing upward. Locate the pins at the case attachments: using a spring bar tool, gently press downward on the pin to release the old strap. Repeat on the opposite side. Insert the new strap pins (22mm) in the same position, verifying engagement with a light pulling motion. Avoid abrupt movements during this procedure.

Can I use an aftermarket strap from a different manufacturer on the MY0603?

Yes, any strap with 22mm lug width is fully compatible. Manufacturers such as Hirsch, Delugs, Seagull, Erica, and Bonetto Cinturini guarantee construction quality comparable to OEM straps. Relevant variables include material (leather, fabric, rubber), buckle finish (steel, titanium, aluminium), leather thickness, and grain depth. Select according to intended use and personal aesthetic preferences.

How long does a natural leather strap last on the MY0603 with daily wear?

A vegetable-tanned leather strap, with moderate daily wear and basic maintenance, typically lasts 18-36 months before replacement is necessary. Critical variables include ambient humidity, perspiration exposure, washing frequency, direct sunlight exposure, and raw leather quality. Horween Shell Cordovan leather can withstand up to 48 months with proper care. Periodic rotation with a secondary strap significantly extends longevity. Annual conditioning with natural waxes (Saphir Renovateur) decelerates biological fibre ageing.

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