Breitling · Colt

Strap for Breitling Colt A7738711.G744.408X

The Colt 33 Silver / Calf takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

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Lug width16 mm
Case diameter33 mm
ReferenceA7738711.G744.408X
FamilyColt
MovementBreitling caliber 77 Hours, Minutes, Seconds | Date | Chronometer
Year2011 - 2014
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 16 mm · Ø 1.8 mm double flange · industry standard, no brand part number

Colt 33 Silver / Calf — watch

Your watch with our straps

Colt A7738711.G744.408X with Saffiano Red Strap Ecru Stitching

Saffiano, Red

Saffiano Red Strap Ecru Stitching

€90

1 / 1

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 Breitling Colt A7738711.G744.408X

What strap size does the Breitling Colt A7738711.G744.408X take?

The Breitling Colt A7738711.G744.408X needs 16 mm between the lugs, usually 14 mm at the buckle. It's the size I've been fitting on it for years.

Can the strap on the Breitling Colt A7738711.G744.408X 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 Breitling Colt A7738711.G744.408X?

Yes, in 16 mm leather. On a 33 mm case a calf strap works every day; if you want something more, alligator.

Which strap do you recommend for the Breitling Colt A7738711.G744.408X?

A 16 mm calf strap, for every day. You'll find it ready in the 16 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