TAG Heuer · Monaco

Strap for TAG Heuer Monaco 1133B

The Monaco Calibre 12 Blue takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

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  • 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 diameter39 mm
Reference1133B
FamilyMonaco
MovementChronomatic Group caliber Chronomatic 12 Hours, Minutes | Chronograph
Year1970 - 1974
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

Monaco Calibre 12 Blue — watch

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 cm110 / 70 mm
16.5–17.8 cm115 / 75 mm
17.9–19.0 cm120 / 80 mm
19.1–20.4 cm125 / 80 mm
20.5–21.6 cm130 / 85 mm
21.7–22.9 cm135 / 85 mm
over 22.9 cmon request

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 TAG Heuer Monaco 1133B

What strap size does the TAG Heuer Monaco 1133B take?

The TAG Heuer Monaco 1133B needs 20 mm between the lugs. It's the size I've been fitting on it for years.

Can the strap on the TAG Heuer Monaco 1133B 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 TAG Heuer Monaco 1133B?

Yes, in 20 mm leather. On a 39 mm chronograph I like box calf: it holds its shape and carries a substantial case.

Which strap do you recommend for the TAG Heuer Monaco 1133B?

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