Technical Archive

Breitling
Cockpit C4935011A672— lug 20mm

Breitling Cockpit C4935011A672: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Cockpit 2008

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Breitling C4935011A672
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

C4935011A672

Movement

Breitling caliber Caliber 49 Hours, Minutes, Seconds | Big Date

The Heritage

The Breitling Cockpit C4935011A672 is a 41 mm sport-elegance watch combining yellow gold and stainless steel. It features the in-house Caliber 49 automatic movement with Grande Date complication and transparent caseback. The watch belongs to the professional Cockpit family, designed for civil and military pilots, with high-legibility dial, luminous indices, and screw-down crown. Lug width is 20 mm.

FAQ

What is the lug width of the Breitling Cockpit C4935011A672?

The lug width of the Breitling Cockpit C4935011A672 is 20 mm. This measurement must be taken between the inner faces of the lugs using a digital calliper, with the spring bars removed for an accurate reading. A 20 mm strap is required to ensure correct fitment and a clean aesthetic at the lug attachment.

What is the best strap for the Breitling Cockpit C4935011A672?

Given the yellow gold and stainless steel case of the Cockpit C4935011A672, the most coherent materials are hand-finished alligator leather with natural grain and shell cordovan, both of which complement the warmth of the gold metal. Alternatively, a Tuscan vegetable-tanned calf leather offers quality ageing characteristics. The recommended closure is a yellow gold PVD tang buckle or a polished steel deployant clasp.

How do you change the strap on a Breitling Cockpit C4935011A672?

Replacing the strap on the Cockpit C4935011A672 requires a fine-tipped spring bar tool. Insert the tip into the spring bar slot, compress the spring laterally, and slide the bar out. Repeat on the other side. To avoid scratching the yellow gold lugs, protect the case with masking tape or have the work carried out by a watchmaker. Original Breitling spring bars have a diameter of 1.8 mm.

Are there aftermarket straps compatible with the Breitling Cockpit C4935011A672?

Yes. Any standard 20 mm strap is technically compatible with the Breitling Cockpit C4935011A672. Milano Straps handcrafted straps are produced with hand-finished ends and include spring bars: the attachment profile is designed to fit the curved lugs of Breitling cases without play. It is also important to check the strap length (standard 115/75 mm) and the attachment thickness to avoid any interference with the crown.

How long does a leather strap last on a Breitling Cockpit C4935011A672?

The lifespan of a leather strap depends on the material and frequency of use. A Grade A alligator strap, properly tanned, typically lasts 3 to 5 years with daily wear. Shell cordovan, owing to the density of its fibre, often exceeds 5 years. A vegetable-tanned calf strap has an average lifespan of 2 to 3 years. Exposure to perspiration, water and direct heat accelerates deterioration. The Milano Straps warranty covers manufacturing defects for 18 months, regardless of the material chosen.