Seiko · King Seiko
Strap for Seiko King Seiko SPB391J1
The Seiko King Seiko SPB391J1 takes 19 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 King Seiko SPB391J1
Selected for the 19 mm lug width
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 Seiko King Seiko SPB391J1
What strap size does the Seiko King Seiko SPB391J1 take?
The Seiko King Seiko SPB391J1 needs 19 mm between the lugs. It's the size I've been fitting on it for years.
Can the strap on the Seiko King Seiko SPB391J1 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 Seiko King Seiko SPB391J1?
Yes, in 19 mm leather. On a case a calf strap works every day; if you want something more, alligator.
Which strap do you recommend for the Seiko King Seiko SPB391J1?
A 19 mm calf strap, for every day. You'll find it ready in the 19 mm collection. If you'd rather have something built on your wrist, the Casati atelier.
More King Seiko
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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