Tissot · Carson

Strap for Carson Quartz 27 Yellow Gold / MOP / Strap

Takes 14 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width14 mm
Case diameter27 mm
ReferenceT71.3.189.74 (aka: T71318974)
FamilyCarson
MovementETA caliber 956.112 hours, minutes, seconds | date
CaseYellow Gold

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

The Carson T71.3.189.74 (aka: T71318974), seen from the bench

The Tissot Carson T71.3.189.74 is a 27mm yellow gold women's watch featuring a mother-of-pearl dial and ETA 956.112 quartz movement with hours, minutes, seconds and date function. The case includes a sapphire crystal and yellow gold caseback, designed for a 14mm lug width strap. This classic model represents Tissot's precision engineering combined with refined proportions and geometric balance typical of 1960s design principles.

Frequently asked questions

What is the lug width of the Tissot Carson T71.3.189.74?

The lug width of the Tissot Carson T71.3.189.74 is 14mm. This measurement refers to the free space between the case lugs and is essential for choosing a compatible strap. The measurement should be taken from the inner shoulder of one lug to the other, considering only the space between the spring bars. A 14mm strap will fit perfectly without lateral gaps or excessive tension.

What strap material is recommended for the Tissot Carson T71.3.189.74?

For the Carson in yellow gold 27mm, we primarily recommend straps in smoked or cognac alligator, which enhance the warmth of the gold without chromatic conflict. Alternatively, vegetable-tanned calf offers a patina that develops over time, creating unique personalisation. For light sports use, a cotton and linen NATO in brown tones is a practical and visually balanced choice.

How do you change the strap on a Tissot Carson T71.3.189.74?

The Tissot Carson uses a spherical spring bar attachment system. To change the strap: 1) use a dedicated tool (spring bar tool or lug tool); 2) apply slight downward pressure to one of the spherical bars to release the lug; 3) gently remove the strap; 4) insert the new strap, aligning the holes perfectly and verifying that the bars position correctly. If you lack the tool, we recommend consulting a professional watchmaker to avoid damage to the case.

What is the difference between an original Tissot strap and an aftermarket strap for the T71.3.189.74?

An original Tissot strap guarantees certified constructive compatibility and brand-tested materials. Quality aftermarket straps from specialised artisans allow greater aesthetic personalisation whilst maintaining rigorous construction standards: precise dimensional tolerances on the 14mm, finishes coherent with the case, and materials selected with attention to chromatic dialogue with yellow gold. Choosing a quality aftermarket opens access to exclusive materials such as alligator, shell cordovan, and vegetable-tanned leather, not always available in OEM straps.

What is the average lifespan of a leather strap for the Tissot Carson T71.3.189.74?

A quality leather strap for the Carson, worn daily, has an average lifespan of 2-4 years before requiring replacement. Longevity depends on: climate use (humid climates accelerate deterioration), frequency of wear, and maintenance (avoid prolonged water exposure and occasionally apply specific leather balms). Vegetable-tanned straps develop a natural protective patina that can extend lifespan to 5-6 years. NATO and vulcanised rubber offer greater durability (5-7 years) due to lower sensitivity to climatic variations.

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