Schwarz Etienne · La Chaux-de-Fonds

Strap for La Chaux-de-Fonds Flying Tourbillon Stainless Steel / Silver

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

Lug width22 mm
Case diameter44 mm
ReferenceWCF09TSE16SS04AA
FamilyLa Chaux-de-Fonds
MovementSchwarz Etienne caliber TSE 121.00 hours, minutes, small seconds | tourbillon escapement
Year2016
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 La Chaux-de-Fonds WCF09TSE16SS04AA

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The La Chaux-de-Fonds WCF09TSE16SS04AA, seen from the bench

The La Chaux-de-Fonds WCF09TSE16SS04AA is a 44 mm stainless steel watch with a 22 mm lug width, produced by Schwarz Etienne, the independent manufacture founded in 1902 in La Chaux-de-Fonds. It features the Schwarz Etienne TSE 121.00 mechanical movement equipped with a flying tourbillon escapement, displaying hours, minutes, and small seconds. The watch combines a monolithic integrated bracelet design with classical proportions.

Frequently asked questions

What is the lug width of the Schwarz Etienne La Chaux-de-Fonds WCF09TSE16SS04AA?

The WCF09TSE16SS04AA features a lug width of 22 millimetres. This is the industry-standard measurement representing the distance between the two lateral lugs where the strap attaches to the case. To verify independently, position a digital calliper perpendicular to the lugs and measure the exact distance.

Which strap is most suitable for the Schwarz Etienne La Chaux-de-Fonds WCF09TSE16SS04AA?

An alligator strap with vegetable tanning accentuates the brushed stainless steel finish, creating both aesthetic and tactile harmony. Shell cordovan represents a sophisticated alternative for those who appreciate chromatic evolution over time. NATO straps in cotton or nylon offer practical wearability whilst maintaining constructive rigour.

How do you change the strap on a Schwarz Etienne La Chaux-de-Fonds?

The procedure requires a specialised spring bar tool: position the watch on a stable surface, use the punch to press the pin from the opposite side until fully disengaged. Once the lugs are free, align the new strap holes with the pins and reinsert until the audible click confirms secure seating. We recommend consulting a professional if you lack experience with this operation.

Are there aftermarket straps compatible with the 22mm lug width?

Yes, the 22-millimetre lug width is standardised and compatible with an extensive range of artisanal straps in leather, NATO textile, natural rubber and synthetic materials. Milano Straps curates a selection of 22mm straps ready for dispatch, customisable according to chromatic preference and material specification.

What is the typical lifespan of a leather strap on daily-worn watch?

A quality leather strap featuring vegetable tanning or shell cordovan, subject to moderate daily use, maintains structural and aesthetic integrity for 3 to 5 years. Longevity depends on environmental factors (humidity, UV exposure), frequency of wear and preventative maintenance (regular cleaning, occasional conditioning with specialised creams). Rubber or NATO textile straps demonstrate superior durability in high-humidity environments.

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