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Jaeger-LeCoultre · Duomètre

Strap for Jaeger-LeCoultre Duomètre 6043420

The Duomètre à Quantième Lunaire 40.5 White Gold / Open takes 14 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

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Lug width

14mm
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Lug width14 mm
Case diameter41 mm
Reference6043420 (aka: Q6043420)
FamilyDuomètre
MovementJaeger-LeCoultre caliber 381 Hours, Minutes, Seconds, Foudroyante Seconds | Date | Moonphase
Year2016
CaseWhite Gold

Spring bar

Swiss Standard universal spring bars

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

Standard spring bar · length 14 mm · Ø 1.8 mm double flange · industry standard, no brand part number

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Duomètre à Quantième Lunaire 40.5 White Gold / Open — watch

Straps for the Duomètre 6043420

Selected for the 14 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 circumferenceLength (long side / short side)
15.0–16.4 cm120 / 70 mm
16.5–17.8 cm125 / 75 mm
17.9–19.0 cm130 / 80 mm
19.1–20.3 cm135 / 85 mm
20.4–21.6 cm140 / 85 mm
21.7–22.9 cm145 / 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 Jaeger-LeCoultre Duomètre 6043420

What strap size does the Jaeger-LeCoultre Duomètre 6043420 take?

The Jaeger-LeCoultre Duomètre 6043420 needs 14 mm between the lugs. It's the size I've been fitting on it for years.

Can the strap on the Jaeger-LeCoultre Duomètre 6043420 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 Jaeger-LeCoultre Duomètre 6043420?

Yes, in 14 mm leather. On a 41 mm case a calf strap works every day; if you want something more, alligator.

Which strap do you recommend for the Jaeger-LeCoultre Duomètre 6043420?

A 14 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.

For changing the strap

Classic Strap and Bracelet Removal Tooltwo-tip spring bar tool→Milano Straps Premium Swiss Standard Watch Bucklestang buckle, steel or PVD→Leather Conditioner Milano Strapsnourishes and protects the strap→Casati Milano Rectangular Epsom Leather Travel Case — Brownfor the watch and spare straps→

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

The atelier's website: casatimilano.com

Updated on · by Antonio Zichichi