Grand Seiko · Spring Drive

Strap for Spring Drive Titanium / 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 diameter41 mm
ReferenceSBGA241
FamilySpring Drive
MovementGrand Seiko caliber 9R65 Hours, Minutes, Seconds | Date | Power Reserve Indicator
CaseTitanium

Spring bar

Swiss Standard universal spring bars

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

Straps for the Spring Drive SBGA241

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Spring Drive SBGA241, seen from the bench

The Grand Seiko Spring Drive SBGA241 features the Spring Drive caliber 9R65, a hybrid movement combining quartz stability with manual winding mechanics. The watch has a titanium case measuring 41.00mm in diameter with an integrated titanium bracelet. The dial features the distinctive Snowflake texture. The lug width is 20mm, a standard measurement for this case geometry. Water resistance is 100 meters, suitable for daily wear. The movement includes hours, minutes, seconds, and date functions with a power reserve indicator.

Frequently asked questions

What is the lug width of the Grand Seiko Spring Drive SBGA241?

The lug width of the SBGA241 is precisely 20mm. This measurement represents the internal distance between the two lugs (metal protrusions) of the case. To verify strap compatibility, measure the internal space between the lugs: it must be exactly 20mm to ensure correct insertion without unwanted play.

Which type of strap is most suitable for the Grand Seiko Spring Drive SBGA241?

Vegetable-tanned alligator or chrome-tanned grained calf leather are the most elegant choices for this model. Quality alligator creates a sophisticated contrast with the titanium case, whilst calf offers greater daily versatility. A heavyweight cotton NATO or technical rubber strap also maintains stylistic coherence. Always choose understated leathers: the Snowflake dial already possesses sufficient visual complexity.

How do I change the strap on my Grand Seiko Spring Drive SBGA241?

The SBGA241 features an integrated titanium bracelet. For replacement, you will require a dedicated tool to remove the pins that secure the bracelet to the lugs. Insert the tool into the side opening of the lug, gently push the pin, and the bracelet will detach. Proceed with caution to avoid scratching the titanium. Many prefer to entrust this operation to a professional service.

Is a 20mm aftermarket strap compatible with the Grand Seiko Spring Drive SBGA241?

Yes, any 20mm quality strap is compatible with the SBGA241, provided it is crafted from noble materials (alligator, calf, shell cordovan). Compatibility is guaranteed by lug width, not by strap manufacturer. Milano Straps offers a curated selection of 20mm straps customisable to this watch's proportions. Ensure the strap is sufficiently thick to provide a solid base without play.

How long does a leather strap last on the Grand Seiko Spring Drive SBGA241?

A quality leather strap (alligator, calf, shell cordovan) typically lasts 3–5 years with daily wear, depending on climate, perspiration, and care. Grained calf tends to last longer due to moisture resistance. Natural alligator develops a fascinating patina but requires regular maintenance. Seasonal use significantly extends strap lifespan. Milano Straps offers an 18-month warranty on all straps crafted by the Casati Milano atelier.

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