Grand Seiko · Mechanical
Strap for Automatic Hi Beat 36000 Stainless Steel / White / Bracelet
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Mechanical SBGH201
Selected for the 20 mm lug width · workshop selection
Vintage Black Calfskin Leather Strap€80
Hammered Calfskin Strap Light Blue€98
Hammered Calfskin Watch Strap Green with Ecru Stitching€98
Vintage Olive Green Calf Leather Watch Strap€80
Hammered Black Calfskin Strap — Ecru Stitching€98
The Mechanical SBGH201, seen from the bench
Frequently asked questions
What is the exact lug width of the Grand Seiko Mechanical SBGH201?
The lug width of the SBGH201 is 20 millimetres. This specification is critical for selecting compatible straps: measure the internal distance between the two case lugs using a calliper to verify accuracy. A 20mm lug width allows the strap to sit naturally on the case without creating tension that could shorten the longevity of the timepiece.
Which strap pairs best with the Grand Seiko SBGH201?
The most appropriate strap is alligator with vegetable tanning, as its natural appearance dialogues visually with the bronze dial. Alligator grain respects the case proportions without competing for visual attention. Aged calf leather with vegetable tanning represents a premium alternative, developing a patina over time that harmonises with the contemplative character of the watch.
How do I correctly change the strap on an SBGH201?
Position the watch on a soft surface with the case facing upwards. Use a spring bar tool to apply gentle vertical pressure on the lug spring, retracting it inward. Once the spring is released, remove the old strap and insert the new one by first aligning one end of the spring, then gently pressing the opposite end. Avoid horizontal movements that could deform the spring.
Can I use an aftermarket strap on my Grand Seiko Mechanical?
Yes, any strap with a 20mm lug width is compatible with the SBGH201. Ensure that the strap thickness does not exceed the original to avoid overlaps on the case. Artisanal straps in alligator, calf or natural rubber offer quality and durability equivalent to original timepieces, with the advantage of customisation in sizes, initials and stitching thread selection.
What is the average lifespan of a natural leather strap on this watch?
A strap made from vegetable-tanned leather lasts between 3 to 5 years with regular maintenance, depending on usage frequency and moisture exposure. Alligator and shell cordovan remain functional beyond 7 years due to their intrinsic density. Vulcanised natural rubber achieves 5-7 years of use. Monthly cleaning with a soft damp cloth and semi-annual conditioning with natural wax significantly extends longevity.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
