Rolex · Daytona

Strap for Cosmograph Daytona Everose / Pink

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter40 mm
Reference116505-0016
FamilyDaytona
MovementRolex caliber 4130 hours, minutes, small seconds | Chronograph, column wheel | chronometer
Year2021
CaseRose Gold

Recommended spring bar

Spring bars Rolex Daytona 116520 — 20mm steel

Technical match for lug width and diameter · lug 20 mm · Ø 1.5 mm · closed lugs

All Rolex spring barsOpen →

Straps for the Daytona 116505-0016

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Daytona 116505-0016, seen from the bench

The Daytona reference 116505-0016 features the automatic caliber 4130 with chronograph function and column wheel. The movement offers hours, minutes, small seconds and chronograph indication with chronometer certification. The case features 20mm lugs for the strap.

Frequently asked questions

What is the lug width of the Rolex Daytona 116505-0016?

The lug width (also called ansa width) of the Rolex Daytona 116505-0016 is 20 millimetres. This measurement defines the internal distance between the case lugs and determines strap compatibility. A 20mm strap fits precisely without play or misalignment. Measurements of 19mm or 21mm are incompatible and will cause visual misalignment or damage to the case finishing.

What is the best strap material for the Daytona 116505-0016 in rose gold?

For the rose gold Daytona, premium aftermarket straps include: American Mississippiensis alligator with consistent grain and natural patina development over time; shell cordovan sourced from the horse's sacral area, offering inherent rigidity and depth of lustre that amplifies the rose gold reflection; vegetable-tanned calf leather for initial softness and rich patina development over 2-3 years of regular wear. Material choice depends on usage context: cordovan for formal occasions, alligator for daily versatility, calf for aesthetic evolution.

How do I change the strap on the Rolex Daytona 116505-0016?

The strap is replaced by removing the lug pins using a dedicated pin remover and stable work surface. Modern Daytona pins are fixed on one side and removable on the other. Position the watch on a soft pad, use the extractor tool to push the pin laterally until fully disengaged, then remove the old strap. Insert the new strap ensuring the passant holes are precisely aligned, reinsert the pin until you feel the locking click. If inexperienced, consult a certified watchmaker for this operation.

What is the difference between an OEM Rolex strap and an aftermarket strap for the 116505-0016?

An OEM (Original Equipment Manufacturer) Rolex strap for the Daytona features solid gold construction with integrated deployante and full Rolex warranty. A quality aftermarket artisanal strap offers: premium materials (alligator, shell cordovan, vegetable-tanned calf) with superior tactile characteristics; aesthetic customisation according to personal preference (colour, texture, finishing); lower cost whilst maintaining equivalent or superior durability; visible craftsmanship in construction. The substantive difference is creative freedom: the artisanal strap permits personal expression that OEM options do not allow.

How long does a natural leather strap last on a Rolex Daytona 20mm?

An artisanal leather strap with vegetable tanning, worn moderately daily on a Daytona, maintains structural integrity for 4 to 6 years. Durability depends on: frequency of wear (daily versus occasional); exposure to moisture and UV radiation; preventive care (periodic cleaning, drying after water contact). Alligator and shell cordovan extend lifespan to 7-8 years under moderate wear. The natural patina that develops is not deterioration but aesthetic evolution—evidence of authentic use. A well-maintained vegetable-tanned leather strap represents a predictable investment.

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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Casati Milano · Via XX Settembre 15, Milan · by appointment only