Technical Archive

Rolex
Daytona 116599tbr-0001— lug 20mm

Rolex Daytona 116599tbr-0001: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Daytona White Gold Diamond Strap Roman

Artisanal Note

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

Technical Specifications

Rolex 116599tbr-0001
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

116599tbr-0001

Movement

Rolex caliber 4130 Hours, Minutes, Small Seconds | Chronograph, Column wheel | Chronometer

The Heritage

The Rolex Daytona 116599tbr-0001 is a white gold chronograph with a 40 mm case and a 20 mm lug width. It features the Rolex calibre 4130 manufacture movement with column wheel, flyback function, and Parachrom paramagnetic hairspring. The dial displays hour, minute and second counters in the classic Rolex layout, with a fixed tachymeter bezel and anti-reflective sapphire crystal. Water-resistant to 100 m, the white gold case is precision-engineered for wrist wear with straight lugs requiring a robust strap.

FAQ

What is the lug width of the Rolex Daytona 116599tbr-0001?

The lug width is 20 mm. This dimension is specific to the contemporary white gold Daytona and must be verified before ordering an aftermarket strap. Measure from the inner side of the lug, from one spring bar base to the other, perpendicular to the lug: exactly 20 mm.

What is the best strap for the Rolex Daytona 116599tbr-0001?

For this white gold chronograph, we recommend alligator leather with vegetable tanning, in black or medium brown. The reptile's texture and vibrant patina complement the austere sports character of the case. Alternatives: Hermès calf (fine texture, uniform patina) or military rubber (summer wear only, less formal). NATO is not recommended: proportionally unsuitable on 40 mm.

How do you change the strap on a Rolex Daytona?

The Daytona features straight, unflared lugs. Use a spring bar tool to carefully extract the elastic pins from inside the lug, gently levering both sides of the spring simultaneously. Do not rush: rough extraction corrodes the lug end. Insert the new strap, aligning the hole with the lug base, and push until you hear a distinct click. Verify that the pin is fully seated.

Are aftermarket straps compatible with the 116599tbr-0001?

Yes, but with caution. Any 20 mm strap will physically fit the Daytona lug. However, construction quality varies: inferior straps exhibit mechanical play, crease quickly, and buckle closures may bind. milanostraps.it artisanal straps with 20 mm Daytona specification respect original tolerances: perfect fit, durability of 3–5 years with care.

How long does a leather strap last on a sports watch like the Daytona?

On a regularly worn watch (5–6 days/week), vegetable-tanned leather (alligator, calf) resists visible wear signs for 2–3 years (thinning, creasing). Rubber lasts 4–5 years. Longevity depends on sun exposure (fades colour), perspiration (corrodes buckle), humidity (weakens fibres). Casati Milano offers an 18-month guarantee on manufacturing defects; natural wear is excluded. Maintenance: quarterly cleaning with damp cloth, air dry, no oils.

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.

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The atelier's website: casatimilano.com