Grand Seiko · Quartz

Strap for Quartz Anti-Magnetic Stainless Steel / Black / Bracelet

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

Lug width20 mm
Case diameter39 mm
ReferenceSBGX293
FamilyQuartz
MovementGrand Seiko caliber 9F61 hours, minutes, seconds
Year2017
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 Quartz SBGX293

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Quartz SBGX293, seen from the bench

The Grand Seiko SBGX293 features the 9F61 quartz caliber with hours, minutes and seconds indication. The 9F61 movement represents the evolution of Grand Seiko's high-precision quartz technology. The configuration includes a three-hand display for the essential time functions.

Frequently asked questions

What is the lug width of the Grand Seiko Quartz SBGX293?

The lug width of the SBGX293 is 20mm, determined by the distance between the centres of the lugs on the case. This measurement is specific to the 38.80mm case diameter proportions and does not represent the total strap width, which may vary slightly according to the keeper design. Correct measurement is performed using a digital calliper positioned parallel to the case.

What is the best strap to pair with the Grand Seiko SBGX293?

For the SBGX293, the ideal strap depends on usage and aesthetic preference. Vegetable-tanned calf leather with minimal patina magnifies the minimalist concept of the design, while deep black alligator creates pure chromatic contrast. Shell cordovan, although coloured, adds exceptional durability. Black rubber straps represent the most functional choice for professional environments. All materials must be compatible with the 20mm lug width.

How do you change the strap on a Grand Seiko SBGX293?

Changing the strap on the SBGX293 requires a spring bar tool, a forked instrument that allows you to compress the internal spring of the lug pin. Position the tool on one of the two lugs, compress gently until the pin exits, and repeat for the other side. Insert the new strap ensuring that the pin is correctly positioned in both seats of the case. Never apply excessive force to avoid damaging the case or lugs.

What aftermarket straps are compatible with the SBGX293?

Straps compatible with the SBGX293 must have a 20mm lug width and a keeper height suitable for containing the pins. Available straps include leather (calf, alligator, shell cordovan with vegetable tanning), NATO fabric, and rubber. Compatibility requires that the strap has not been designed for specific case architectures. Milano Straps offers a complete collection of customisable 20mm straps for this model.

How long does a leather strap last on a watch like the SBGX293?

The lifespan of a leather strap varies according to material and use. Vegetable-tanned calf subjected to daily wear maintains structural integrity for 2-4 years, after which it develops cracks at the corners of the keepers. Shell cordovan, thanks to its intrinsic density, can last 5-7 years. Alligator, if protected from excessive sun exposure, maintains stability for 3-5 years. Longevity increases if the strap is exposed to dry air and not constant humidity. Regular maintenance with natural wax extends life by 12-18 months.

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