Grand Seiko · Masterpiece
Strap for Grand Seiko Masterpiece SLGT005
The Grand Seiko Masterpiece SLGT005 takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
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- 12-month warranty on manufacturing defects
- Hand-stitched in Milan
Lug width

Straps for the Masterpiece SLGT005
Selected for the 22 mm lug width · workshop selection
What length do I need?
Measure your wrist with a tailor's tape or a piece of string, comfortably snug.
| Wrist circumference | Length (long side / short side) |
|---|---|
| 15.0–16.4 cm | 110 / 70 mm |
| 16.5–17.8 cm | 115 / 75 mm |
| 17.9–19.0 cm | 120 / 80 mm |
| 19.1–20.4 cm | 125 / 80 mm |
| 20.5–21.6 cm | 130 / 85 mm |
| 21.7–22.9 cm | 135 / 85 mm |
| over 22.9 cm | on request |
The ready-to-wear strap is 115 × 75 mm. For a smaller or larger wrist I make it in the right length: order your length.
What I'm asked about the Grand Seiko Masterpiece SLGT005
What strap size does the Grand Seiko Masterpiece SLGT005 take?
The Grand Seiko Masterpiece SLGT005 needs 22 mm between the lugs. It's the size I've been fitting on it for years.
Can the strap on the Grand Seiko Masterpiece SLGT005 be changed?
Yes. It has spring bars between the lugs: with the right tool the strap comes off in a minute. If you'd rather not risk a scratch, I do it in the workshop.
Can I put a leather strap on the Grand Seiko Masterpiece SLGT005?
Yes, in 22 mm leather. On a case a calf strap works every day; if you want something more, alligator.
Which strap do you recommend for the Grand Seiko Masterpiece SLGT005?
A 22 mm calf strap, for every day. You'll find it ready in the 22 mm collection. If you'd rather have something built on your wrist, the Casati atelier.
More Grand Seiko in 22 mm
- Grand Seiko Evolution 9 9-SLGH027Evolution 9
- Spring Drive 200 m Diver's Stainless Steel / Black / BraceletSpring Drive
- Spring Drive 200 m Diver's Titanium / Black / BraceletSpring Drive
- Grand Seiko Sport SBGA461Sport
- Grand Seiko Sport SBGA463Sport
- Spring Drive 8 Days Platinum / White Diamond Dust / StrapSpring Drive
For changing the strap
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
The atelier's website: casatimilano.com





