Rolex · Day-Date 36
Strap for Day-Date 36 Platinum - Baguette / Paved - Rainbow / President
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Day-Date 36 128396TBR-0006 (aka: M128396TBR-0006)
Selected for the 20 mm lug width · workshop selection
Matte Dark Gray Alligator Strap€195
Black Alligator Strap with Light Red Edging€149
Vintage Alligator Strap Cognac€195
Hammered Pink Strap with Ecru Stitching€98
Vintage Brown Calfskin Strap — Natural Patina€98
The Day-Date 36 128396TBR-0006 (aka: M128396TBR-0006), seen from the bench
Frequently asked questions
What is the lug width of the Rolex Day-Date 36 128396TBR-0006?
The lug width of the Rolex Day-Date 36 128396TBR-0006 is 20mm. This measurement is critical for aftermarket strap compatibility: a narrower lug would result in a loose fit and compromise wrist geometry, while a wider lug would not fit the case attachments. Measurement is performed using a digital calliper, measuring the internal distance between the attachment pins.
What is the best strap for the Rolex Day-Date 36 128396TBR-0006?
The choice depends on context and personal aesthetics. Alligator remains the traditional choice for platinum models, offering natural texture and patina that ages magnificently. Vegetable-tanned calf leather represents a contemporary alternative, developing a soft patina over time. Shell cordovan introduces initial slight rigidity that evolves into natural luminosity, whilst vulcanised rubber offers versatility for those desiring reversibility. At the Casati Milano atelier, you can personally select leather from the complete collection.
How do you change the strap on a Rolex Day-Date 36?
Changing the strap on a Rolex Day-Date 36 requires a specific tool to extract the attachment pins. Position the watch on a soft cloth, locate the small hole on the inner face of the case where the pin is housed, and use a pin extractor (available through professional watchmakers) to carefully remove the pin. Subsequently, align the new strap and reinsert the pin until it clicks into place. If you do not possess the appropriate tool, it is advisable to entrust the task to a certified watchmaker.
Which aftermarket straps are compatible with the Rolex Day-Date 36 128396TBR-0006?
Any strap with a 20mm lug width is compatible with the Day-Date 36 128396TBR-0006, provided the attachment width matches precisely. Recommended materials include alligator, calf leather, shell cordovan, vulcanised natural rubber, and military-grade fabrics, all available through specialised retailers such as milanostraps.it. It is essential to verify that the strap length is proportionate to your wrist, with options ranging from 108mm to 130mm to ensure perfect fit.
How long does a leather strap last on a Rolex Day-Date 36?
The lifespan of a leather strap on a Rolex Day-Date 36 depends on material, usage, and maintenance. A quality artisanal alligator strap can last 3-5 years with daily wear, whilst vegetable-tanned calf leather ages more rapidly but evolves toward a fascinating patina. Shell cordovan, due to its structural density, can reach 4-7 years. Regular maintenance—avoiding prolonged exposure to moisture and direct heat, occasionally applying specific balm—significantly extends longevity. Casati Milano provides an 18-month warranty on manufacturing defects and offers regeneration services for pre-owned straps.
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

