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Sinn · Instrument Watches

Strap for Sinn Instrument Watches 856.020

The Pilot's Watch 856 S UTC 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 Sinn
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Lug width20 mm
Case diameter40 mm
Reference856.020
FamilyInstrument Watches
MovementETA caliber 2893-2 Hours, Minutes, Seconds, Additional 24 Hours Hand (adjustable) | Date
CaseStainless Steel

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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Pilot's Watch 856 S UTC — watch

Your watch with our straps

Instrument Watches 856.020 with Grand Cavalier Leather Strap Orange
Instrument Watches 856.020 with Vintage Brown Calfskin Strap — Natural Patina
Instrument Watches 856.020 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 Sinn Instrument Watches 856.020

What strap size does the Sinn Instrument Watches 856.020 take?

The Sinn Instrument Watches 856.020 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 Sinn Instrument Watches 856.020 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 Sinn Instrument Watches 856.020?

Yes, in 20 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 Sinn Instrument Watches 856.020?

A 20 mm calf strap, for every day. You'll find it ready in the 20 mm collection. If you'd rather have something built on your wrist, the Casati atelier.

More Sinn in 20 mm

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