Rolex
Sea-Dweller 16660 Matte MK1— lug 20mm
Rolex Sea-Dweller 16660 Matte MK1: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Rolex 16660 Matte MK1The essential strap measurement.
Browse 20mm straps →16660 Matte MK1
Rolex caliber 3035 Hours, Minutes, Seconds | Date | Chronometer
The Heritage
Compatible Straps
Selected for the 20mm lug width of the Sea-Dweller
FAQ
What is the lug width of the Rolex Sea-Dweller 16660 Matte MK1?
The lug width (end link width) of the Sea-Dweller 16660 Matte MK1 is 20mm. This is the standard measurement for Rolex Sports Watches of this generation and is essential for proper fit without tension on the lugs.
Which strap material is most suitable for the Sea-Dweller 16660 Matte MK1?
Alligator leather with vegetable tanning offers the most refined aesthetic with natural patina development. Shell cordovan provides superior durability and a distinctive grain. Italian calf represents the balance between suppleness and longevity. For intensive water use, FKM rubber or Cordura NATO straps offer practicality and moisture resistance.
How do you correctly change the strap on this model?
The Sea-Dweller 16660 requires a spring bar tool to remove the lug pins. Position the watch carefully, gently depress the spring bar with the tool to release the old strap, then insert the new strap ensuring the pin is fully seated. A specialist atelier ensures precision and security.
Is an aftermarket strap compatible with the Sea-Dweller 16660?
Yes, any 20mm strap is compatible with the Sea-Dweller 16660 Matte MK1. The standardised lug width allows the use of leather, rubber, NATO, or steel straps. Choosing superior materials honours the quality of the timepiece.
How long does a quality leather strap last on a watch like the 16660?
A superior quality leather strap (alligator with vegetable tanning or shell cordovan) lasts approximately 5-8 years with daily wear, developing a noble patina. Lifespan depends on exposure to moisture and perspiration. A specialist atelier can perform maintenance and surface renewal to extend the strap's life.
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 →By appointment only · Milan
The atelier's website: casatimilano.com