Steinhart · Diver

Strap for Triton 100ATM Stainless Steel

Takes 24 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width24 mm
Case diameter45 mm
ReferenceT0209
FamilyDiver
MovementSoprod caliber A10 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 Diver T0209

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Diver T0209, seen from the bench

The Steinhart Diver T0209 is equipped with the Soprod A10 caliber, providing indications of hours, minutes, seconds and date. The watch features 24mm lugs for the strap. The movement guarantees the essential functions for a contemporary dive timepiece.

Frequently asked questions

What is the lug width of the Steinhart Diver T0209?

The lug width of the Steinhart Ocean Vintage Military T0209 is exactly 24 millimetres. This measurement is critical for selecting a compatible strap. To verify it correctly, position a ruler perpendicular to the case, parallel to the two attachment pins, and measure the distance between the centre of one pin and the centre of the other. All straps in the 24mm collection at Milano Straps are guaranteed compatible with this reference.

Which strap is best suited to the Steinhart Diver T0209?

The Steinhart Diver T0209 pairs magnificently with straps in Tuscan vegetable-tanned leather in vintage brown, as the natural patina and ageing of tannin leather creates aesthetic consonance with the substantial stainless steel case. For marine environments or high humidity conditions, a NATO strap in synthetic fibre or wax-treated cotton offers practicality without functional compromise. For those seeking modern professionalism, a FKM rubber strap maintains the severity of the original instrument. Avoid alligator or other exotic leathers, which contrast stylistically and fear salt-water environments.

How do you change the strap on a Steinhart T0209?

Changing the strap on a Steinhart T0209 requires a simple tool: a spring bar tool (or strap removal tool). Position the watch with the strap facing downward. Insert the flat tip of the tool under one of the lugs, pushing slightly upward to relieve tension on the internal spring of the pin. Once loosened, the pin extracts easily from its seat. Repeat the procedure on the other lug. Reverse the process to mount the new strap, ensuring that both pins are fully inserted into their attachment points.

Are there aftermarket straps compatible with the T0209?

Yes, numerous high-quality aftermarket straps are compatible with the Steinhart Diver T0209, provided they feature a 24-millimetre lug width. Milano Straps offers a specialised collection of vegetable-tanned leather straps, certified NATO straps, FKM rubber and other materials, all tested for mechanical compatibility. The 24mm width allows freedom of colour and material choice, permitting personalisation that reflects the stylistic profile of those who wear the tool watch.

How long does a leather strap last on a Steinhart T0209?

A leather strap in quality Tuscan vegetable tanning, mounted on an instrument such as the Steinhart T0209, has an average lifespan of 3-5 years under regular use, provided it receives essential maintenance: periodic exposure to dry air, avoiding prolonged immersion in fresh and salt water, applying natural wax once every six months. The patina that develops over time is not deterioration, but rather a fascinating characteristic of vegetable tanning. FKM rubber straps last longer (7-10 years), but lose natural flexibility over time and require replacement once they become rigid.

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