Sinn · Instrument Chronographs

Strap for Sinn Instrument Chronographs 103.0794

The Pilot Chronograph 103 Ti UTC IFR takes 20 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
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Lug width20 mm
Case diameter41 mm
Reference103.0794
FamilyInstrument Chronographs
MovementETA caliber 7750 Hours, Minutes, Small seconds | Date, Day | Chronograph
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

Pilot Chronograph 103 Ti UTC IFR — watch

Your watch with our straps

Instrument Chronographs 103.0794 with Grand Cavalier Leather Strap Orange
Instrument Chronographs 103.0794 with Vintage Brown Calfskin Strap — Natural Patina
Instrument Chronographs 103.0794 with Brown Italian Leather Strap

Calf, Orange

Grand Cavalier Leather Strap Orange

€120

★ 4.9 · 12

1 / 109

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 Sinn Instrument Chronographs 103.0794

What strap size does the Sinn Instrument Chronographs 103.0794 take?

The Sinn Instrument Chronographs 103.0794 needs 20 mm between the lugs. It's the size I've been fitting on it for years.

Can the strap on the Sinn Instrument Chronographs 103.0794 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 Chronographs 103.0794?

Yes, in 20 mm leather. On a 41 mm chronograph I like box calf: it holds its shape and carries a substantial case.

Which strap do you recommend for the Sinn Instrument Chronographs 103.0794?

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

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