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Grand Seiko · Mechanical

Strap for Automatic Hi Beat 36000 Special White Gold / White / Strap

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

Lug width

20mm
20 mm strapsAll Grand Seiko
Lug width20 mm
Case diameter38 mm
ReferenceSBGH219
FamilyMechanical
MovementGrand Seiko caliber 9S85 Hours, Minutes, Seconds | Date
CaseWhite Gold

Spring bar

Swiss Standard universal spring bars

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

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Straps for the Mechanical SBGH219

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Mechanical SBGH219, seen from the bench

The Grand Seiko Mechanical SBGH219 features a 38mm white gold case with a hand-wound caliber Grand Seiko 9S85 movement beating at 36,000 alternations per hour (10 Hz), offering certified precision within ±3 seconds per month. The watch includes 37 jewels, a visible mechanical movement through the caseback, and a distinctive Snowflake dial. The 20mm lug width is proportionally calibrated for this specific model and case diameter.

Frequently asked questions

What is the lug width of the Grand Seiko Mechanical SBGH219?

The SBGH219 features a 20mm lug width, a dimension that maintains proportional balance on the 38mm case. This width should be measured internally between the lugs to ensure correct compatibility with any aftermarket strap.

Which strap is most suitable for the Grand Seiko SBGH219?

Alligator remains the optimal choice for this timepiece: its natural texture visually balances the pure geometry of the white gold case and Snowflake dial. Medium brown, antique grey, or black tones offer formal versatility without chromatic excess.

How do I change the strap on my Grand Seiko SBGH219?

The SBGH219 uses standard straight lugs measuring 20mm. Remove the previous strap using a spring bar tool, insert the new strap springs into the case lugs, and ensure they click securely. Proceed with caution to avoid damaging the white gold case finishing.

Can I use an aftermarket compatible strap with the SBGH219?

Yes, provided the lug width is exactly 20mm and the lugs are standard straight type. We recommend artisanal leather quality such as alligator, shell cordovan, or vegetable-tanned calf to maintain the aesthetic and constructive coherence of the timepiece.

What is the average lifespan of a leather strap for the Grand Seiko SBGH219?

A quality leather strap, used daily, maintains functionality between 18 and 36 months. Longevity depends on tanning method (vegetable-tanned lasts longer than chrome-tanned), frequency of use, and environmental conditions. Milano Straps' artisanal straps offer 18-month warranty and regeneration options.

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