Tissot · Heritage

Strap for Porto Chronograph

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

Lug width20 mm
Case diameter32 mm
ReferenceT66.1.617.52 (aka: T66161752)
FamilyHeritage
MovementETA caliber 251.471 hours, small seconds, minutes | date | Chronograph
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 Heritage T66.1.617.52 (aka: T66161752)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Heritage T66.1.617.52 (aka: T66161752), seen from the bench

The Tissot Heritage with reference T66.1.617.52 features the ETA 251.471 caliber with hour, minute, small seconds, date and chronograph functions. The movement offers a classic configuration with chronograph registers and date indication. The technical specifications include a small seconds subdial and standard chronograph controls.

Frequently asked questions

What is the lug width of the Tissot Heritage T66.1.617.52?

The lug width of the Tissot Heritage T66.1.617.52 is 20 millimetres. This measurement is critical for strap compatibility and must be verified precisely using a calliper, measured internally from one side of the lug to the other.

What is the best strap for the Tissot Heritage T66.1.617.52?

The best strap depends on intended use. For classic elegance, we recommend vegetable-tanned calf leather or alligator. For daily practicality, a NATO strap in cotton or a rubber strap. The choice should respect the harmonious proportions of the 32.40mm case.

How do I change the strap on a Tissot Heritage T66.1.617.52?

To change the strap, remove the spring bars from the lugs of the case. Use a dedicated tool (spring bar tool) to gently push the internal metal pin and release the spring bar. Proceed carefully to avoid scratching the stainless steel case. Insert the new spring bars until they click into place.

Are there aftermarket straps compatible with the T66.1.617.52?

Yes, numerous artisan straps in 20mm size are compatible with the Tissot Heritage T66.1.617.52. Always verify the specific lug width (20mm) and ensure the spring bars move freely laterally. Milano Straps offers a dedicated collection of high-quality 20mm straps.

How long does a leather strap last on the Tissot Heritage T66.1.617.52?

Duration varies based on tanning quality and usage. A vegetable-tanned calf leather strap lasts on average 3-5 years with daily use, developing a pleasant patina over time. Superior quality alligator straps can last 7-10 years or longer. Regular maintenance (cleaning, drying after water contact) significantly 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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only