Technical Archive

Breitling
Colt A7738711.C850.116X— lug 16mm

Breitling Colt A7738711.C850.116X: 16mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Colt 33 Blue / Calf

Artisanal Note

"This model requires a precise 16mm lug width to preserve the original sartorial balance."

Technical Specifications

Breitling A7738711.C850.116X
Lug Width
16 mm

The essential strap measurement.

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Reference

A7738711.C850.116X

Movement

Breitling caliber Caliber 77 Hours, Minutes, Seconds | Date | Chronometer

The Heritage

The Breitling Colt A7738711.C850.116X belongs to a line designed for those who demand no compromise between aesthetics and functionality. Born from Breitling's aeronautical culture, this 33mm stainless steel case watch features a Breitling 77 mechanical movement with COSC certification, guaranteeing precision within -4/+6 seconds daily. The mixed-finish case highlights the bezel geometry, while the dial maintains the visual density typical of technical instruments. The 16mm lug width is a selective dimension in contemporary technical watches, requiring straps specifically produced at that width without adaptations.

FAQ

What is the lug width of the Breitling Colt A7738711.C850.116X?

The lug width of the Breitling Colt A7738711.C850.116X is 16mm. This measurement should be taken with a digital calliper in the space between the lugs, flush against the case, to ensure an accurate reading and select a strap that fits without play or tension.

What is the best strap for the Breitling Colt A7738711.C850.116X?

For the Breitling Colt A7738711.C850.116X with its 33mm stainless steel case, a vegetable-tanned calf leather strap is the most versatile choice, developing a natural patina suited to both formal and casual contexts. Square-scale alligator works well for dressy pairings, whilst ballistic nylon NATO and vulcanised rubber address sporting requirements. All straps must have an exact 16mm lug width.

How do you change the strap on the Breitling Colt A7738711.C850.116X?

To replace the strap on the Breitling Colt A7738711.C850.116X, use a fine-tipped spring bar tool inserted between the lug and strap to compress and release the spring bars. Work on a soft pad to protect the stainless steel case from scratches. The new 16mm spring bar must be inserted into the strap holes before fitting.

Are there aftermarket straps compatible with the Breitling Colt A7738711.C850.116X?

Yes. The Breitling Colt A7738711.C850.116X uses standard 16mm spring bars, compatible with a wide range of high-quality aftermarket straps. Milano Straps offers handcrafted straps in alligator, calf leather, shell cordovan, and woven materials, specifically produced for a 16mm lug width, with buckles and keepers proportioned to the 33mm case.

How long does a leather strap last on a Breitling Colt?

The lifespan of a leather strap depends on the quality of the tanning, the thickness of the belly, and conditions of use. A superior-grade calf or alligator strap, regularly conditioned and protected from excessive moisture, typically lasts between 2 and 4 years with daily wear. Shell cordovan, owing to its dense fibrous structure, tends to offer greater longevity. Milano Straps provides an 18-month warranty against manufacturing defects.