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Jaeger-LeCoultre · Master Extreme

Strap for Jaeger-LeCoultre Master Extreme 186T670

The Master Compressor Diver Chronograph Titanium / Rubber takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

20mm
20 mm strapsAll Jaeger-LeCoultre
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Lug width20 mm
Case diameter44 mm
Reference186T670 (aka: Q186T670 )
FamilyMaster Extreme
MovementJaeger-LeCoultre caliber 751D Hours, Minutes, Small seconds | Chronograph, Column wheel
Year2007 - 2009
CaseTitanium

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 20 mm · Ø 1.8 mm double flange · industry standard, no brand part number

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Master Compressor Diver Chronograph Titanium / Rubber — watch

Your watch with our straps

Master Extreme 186T670 with Grand Cavalier Leather Strap Orange
Master Extreme 186T670 with Vintage Brown Calfskin Strap — Natural Patina
Master Extreme 186T670 with Brown Italian Leather Strap

Calf, Orange

Grand Cavalier Leather Strap Orange

€120

★ 4.9 · 12

See the strapAll 20 mm straps

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Real photos of the strap and the case. No generated images.

What I'm asked about the Jaeger-LeCoultre Master Extreme 186T670

What strap size does the Jaeger-LeCoultre Master Extreme 186T670 take?

The Jaeger-LeCoultre Master Extreme 186T670 needs 20 mm between the lugs, usually 16 mm at the buckle. It's the size I've been fitting on it for years.

Can the strap on the Jaeger-LeCoultre Master Extreme 186T670 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 Master Extreme 186T670?

Yes, in 20 mm leather, as long as you don't wear it in the water: leather doesn't like the sea or the pool. For days in the water, rubber. On a 44 mm diver I go for a full-thickness strap, not a thin one.

Which strap do you recommend for the Jaeger-LeCoultre Master Extreme 186T670?

Rubber if you wear it in the water; otherwise a 20 mm calf strap, full thickness. You'll find it ready in the 20 mm collection. 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.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only

The atelier's website: casatimilano.com

Updated on · by Antonio Zichichi