Specimen No. 403 · Leather Straps · Maison Jean Rousseau
Maison Jean ROUSSEAU – Paris – Luxury Watch Strap – 20/18 110/80
This is a new, unworn luxury watch strap from the Parisian atelier Maison Jean Rousseau. Crafted from black leather with contrasting red stitching, it offers a classic 20/18 mm taper for a direct fit on many high-end timepieces. The strap is supplied in excellent condition without a buckle, allowing for a custom pairing.
Maison Jean Rousseau Paris Luxury Watch Strap 20/18 110/80
Overview
This is a new, unworn watch strap from Maison Jean Rousseau, the Parisian leather goods atelier renowned for its bespoke and ready-to-wear straps for luxury timepieces. The strap is crafted from black leather with contrasting red stitching, a classic and versatile color combination suitable for a wide range of watches. It is offered as a standalone strap and does not include a buckle.
The item is graded Excellent in our Condition Grading Scale below. It is a new-old-stock component, never fitted to a watch, and retains its original markings. As a genuine Jean Rousseau product, it represents a direct replacement or upgrade option for collectors and watchmakers seeking authentic, high-quality leather straps.
Specifications
The strap is made from black leather with red thread stitching. The width tapers from approximately 20 mm at the lugs to approximately 18 mm at the buckle end. The short piece measures approximately 80 mm in length, and the long piece measures approximately 110 mm. The strap is marked Jean Rousseau | Paris on the underside. This strap is designed for use with standard spring bars and a separate 18 mm buckle or deployant clasp.
Notes
The article is sold “AS IS”. Please read our Warranty Policy before purchasing.
Any parts not explicitly mentioned in this description or not visible in the accompanying photographs are not included.
Colors may appear slightly different across various screens and devices so we cannot guarantee an exact screen–to–reality color match.
This strap is supplied without a buckle, allowing the user to pair it with an existing buckle or a new one of their choice.
Frequently Asked Questions
What watch will this strap fit?
This strap will fit any watch case with 20 mm lug width and uses standard spring bars. The 20/18 mm taper is a common specification for many dress and sports watches from brands like Rolex, Patek Philippe, Audemars Piguet, and others.
Is a buckle included with this strap?
No, this strap is sold without a buckle. You will need to source an 18 mm buckle or deployant clasp separately to complete the installation.
What is the condition of this strap?
The strap is new and has never been worn or fitted to a watch. It is graded Excellent, indicating it is in pristine, original condition with no signs of use.
How do I determine if the strap length is right for my wrist?
The total nominal length from tip to tip is approximately 190 mm (110 mm + 80 mm). This is a standard medium length suitable for most wrist sizes between approximately 6.5 and 7.5 inches when used with a standard buckle. For precise fitting, measure your current strap or consult a sizing guide.
Is this an authentic Jean Rousseau product?
Yes, this is a genuine Maison Jean Rousseau strap, as indicated by the branding stamped on the leather. Our inventory consists of authentic parts sourced directly from Switzerland.
Component · Watch straps
Across the five-grade scale, here is what each grade means specifically for watch straps. The cell highlighted in brass marks where this specimen sits.
MintA++Unworn, original buckle, leather supple, stitching perfect, no stains.
