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Laco · Chronographs

Strap for Laco Chronographs 861870

The Chronographs Paris / Stainless Steel / Black takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

  • 4.8 out of 5 · 269 reviews
  • Ships in 1–3 working days
  • Worldwide shipping
  • 30-day returns
  • 12-month warranty on manufacturing defects
  • Hand-stitched in Milan

Lug width

22mm
22 mm strapsAll Laco
Not sure about the right strap, or can't find your watch?Message me on WhatsApp
Lug width22 mm
Case diameter44 mm
Reference861870
FamilyChronographs
MovementETA caliber 7750 Hours, Minutes, Small seconds | Date, Day | Chronograph
CaseStainless Steel
Water resistance50 m

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

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Chronographs Paris / Stainless Steel / Black — watch

Your watch with our straps

Chronographs 861870 with Vintage Brown Calfskin Strap — Natural Patina
Chronographs 861870 with Brown Italian Leather Strap
Chronographs 861870 with Black Saffiano Strap Ecru Stitching

Calf, Brown

Vintage Brown Calfskin Strap — Natural Patina

€98

★ 4.9 · 11

See the strapAll 22 mm straps

1 / 89

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

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 Laco Chronographs 861870

What strap size does the Laco Chronographs 861870 take?

The Laco Chronographs 861870 needs 22 mm between the lugs, usually 18 or 20 mm at the buckle. It's the size I've been fitting on it for years.

Can the strap on the Laco Chronographs 861870 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 Laco Chronographs 861870?

Yes, in 22 mm leather. On a 44 mm chronograph I like box calf: it holds its shape and carries a substantial case.

Which strap do you recommend for the Laco Chronographs 861870?

A 22 mm box calf. You'll find it ready in the 22 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