Jaeger-LeCoultre · Polaris

Strap for Polaris Chronograph Stainless Steel / Ocean Grey

Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width21 mm
Case diameter42 mm
ReferenceQ9028651 (aka: 9028651)
FamilyPolaris
MovementJaeger-LeCoultre caliber 761 hours, minutes | date | Chronograph, column wheel
Year2025
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 Polaris Q9028651 (aka: 9028651)

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Polaris Q9028651 (aka: 9028651), seen from the bench

The Jaeger-LeCoultre Polaris Q9028651 (ref. 9028651) is a 42 mm stainless steel sports chronograph featuring the caliber 761 movement with column wheel mechanism. The watch includes hours, minutes, date display, and chronograph functions, with sapphire caseback revealing the eccentric rotor. Water resistant to 300 meters, it requires a 21 mm lug width strap, a specification determined by the precise proportions between case diameter and lateral lugs.

Frequently asked questions

What is the exact lug width of the Jaeger-LeCoultre Polaris Q9028651?

The Jaeger-LeCoultre Polaris Q9028651 features a lug width of 21 millimetres. This width is proportionate to the 42-millimetre case diameter and ensures complete compatibility with straps specifically manufactured for this dimension. To verify compatibility, measure the internal distance between the two lateral lugs using a digital calliper.

Which strap material is most suitable for the Polaris Q9028651?

The Polaris Q9028651 pairs excellently with diverse material choices. High-quality alligator with traditional tanning confers timeless elegance; vegetable-tanned calf offers sobriety and sustainability traceability, whilst shell cordovan amplifies luxurious character. For sporting versatility, a tightly-woven NATO fabric strap or calibrated rubber maintains the watch's original chronometric dimension. Your choice depends upon intended use and personal style.

How do you change the strap on a Jaeger-LeCoultre Polaris?

Changing the strap on the Polaris Q9028651 requires a spring bar tool for removing the metal fasteners that bind the strap to the lugs. Position the watch on a soft surface, locate the spring bars on the inner side of each lug, apply gentle pressure with the tool until the elastic mechanism yields, then remove the old strap. Reverse the procedure to install a new one. If you prefer to avoid the risk of scratches, Casati Milano's services provide this operation via dedicated appointment.

Can I use an aftermarket strap on this Polaris?

Absolutely, provided the strap is constructed with a 21-millimetre lug width. High-quality artisanal aftermarket straps often surpass original equipment in finish and material selection. On milanostraps.it you will find an extensive selection of compatible straps in alligator, calf, shell cordovan and technical fabrics. Always verify that the width is certified at 21mm to avoid forced adaptations.

How long does a leather strap last on a Jaeger-LeCoultre Polaris?

The durability of a leather strap depends upon material quality, construction excellence, use patterns and environmental conditions. Premium alligator or calf leather, worn regularly under normal conditions, maintains structural integrity for 3–5 years. More delicate materials like shell cordovan may degrade more rapidly if exposed to prolonged moisture. Natural leather wear (patina, edge softening) does not compromise functionality, but signals the moment for replacement to maintain aesthetics. Casati Milano services guarantee 18 months against manufacturing defects, regardless of material chosen.

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