Dietrich · OT

Strap for OT-6

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

Lug width20 mm
Case diameter46 mm
ReferenceOTCAO6
FamilyOT
MovementMiyota caliber 82S7 Additional 24 Hour Hand (fixed), Small Seconds, Hours, Minutes
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 OT OTCAO6

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The OT OTCAO6, seen from the bench

The Dietrich OT OTCAO6 is a 46mm stainless steel watch with unconventional organic case curves designed by Emmanuel Dietrich. It features a Miyota calibre 82S7 quartz movement with 24-hour display, small seconds, and hour/minute functions. The 20mm lug width offers versatile strap pairing options while maintaining visual proportion with the case.

Frequently asked questions

What is the lug width of the Dietrich OT OTCAO6?

The Dietrich OT OTCAO6 features a 20mm lug width. This intermediate measurement requires straps specifically designed for this width, compatible with the watch's organic case geometry and integrated attachment system.

Which strap pairs best with the Dietrich OT OTCAO6?

We recommend alligator straps in cognac or vegetable-tanned calf leather, creating elegant contrast with the organic case. For sporty contexts, canvas or cotton NATO straps maintain the model's rebellious aesthetic. Your choice depends on usage and personal visual interpretation.

How do I change the strap on a Dietrich OT OTCAO6?

The OTCAO6 employs an integrated attachment system. To change the strap, lugs must be removed using specific tools—typically an extraction key or appropriate screwdriver. We recommend consulting an expert to prevent damage to the case during this operation.

Can I use an aftermarket strap on the Dietrich OT OTCAO6?

Yes, aftermarket straps are compatible provided they respect the 20mm width and suit the case's attachment system. Always verify specifications before purchase and trust quality manufacturers to ensure durability and precision fit.

How long does a leather strap last on a watch like the OTCAO6?

A quality leather strap (alligator, calf) typically lasts 3-5 years with regular wear, depending on care and environmental conditions. Vegetable-tanned leather develops noble patina over time. Humidity, perspiration, and heat exposure shorten lifespan. Periodic maintenance—hydration and cleaning—extends longevity.

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