Vacheron Constantin · Harmony
Strap for Vacheron Constantin Harmony 7810S/000R-B051
The Harmony Dual Time Pink Gold / Blue Numerals takes 23 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

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 | 120 / 70 mm |
| 16.5–17.8 cm | 125 / 75 mm |
| 17.9–19.0 cm | 130 / 80 mm |
| 19.1–20.3 cm | 135 / 85 mm |
| 20.4–21.6 cm | 140 / 85 mm |
| 21.7–22.9 cm | 145 / 90 mm |
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 Vacheron Constantin Harmony 7810S/000R-B051
What strap size does the Vacheron Constantin Harmony 7810S/000R-B051 take?
The Vacheron Constantin Harmony 7810S/000R-B051 needs 23 mm between the lugs. It's the size I've been fitting on it for years.
Can the strap on the Vacheron Constantin Harmony 7810S/000R-B051 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 Vacheron Constantin Harmony 7810S/000R-B051?
Yes, in 23 mm leather. On a 40 mm case a calf strap works every day; if you want something more, alligator.
Which strap do you recommend for the Vacheron Constantin Harmony 7810S/000R-B051?
A 23 mm calf strap, for every day. I don't keep this size ready in the catalogue: I make it to measure. If you'd rather have something built on your wrist, the Casati atelier.
More Harmony
- Harmony Complete Calendar Pink Gold19 mm
- Harmony Chronograph Small Model Pink Gold18 mm
- Harmony Chronograph Small Model Pink Gold / Diamond
- Harmony Chronograph Small Model Pink Gold / Diamond
- Harmony Tourbillon Chronograph White Gold18 mm
- Harmony Tourbillon Chronograph Pink Gold / Black numerals
- Harmony Chronograph Pink Gold / Blue Numerals20 mm
- Harmony Chronograph Pink Gold18 mm
All Harmony → Vacheron Constantin families →
Every Harmony reference with its measured lug width, on watchbands.ai →
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
