Strap for Sea-Dweller 16660 Tiffany

The lug width of the Sea-Dweller 16660 Tiffany is 20 millimetres. This is the internal distance between one lug and the other, measured from the innermost point of one spring bar hole to the innermost point of the opposite hole. Always verify this measurement before purchasing an aftermarket strap, as it is not compatible with 40mm Submariner models or other Rolex references that require different lug widths.

Three main options are recommended for the Sea-Dweller 16660 Tiffany: alligator (preferably taupe-grey or dark brown to harmonise with the Tiffany blue dial), burgundy shell cordovan for those seeking an evolved patina over time, or black FKM rubber to maintain the watch's authentic sporting and diving character. Synthetic straps and NATO straps are not advised, as they alter the instrument's formal character.

Changing the strap on the 16660 Tiffany requires a spring bar tool (lever-type extractor for retaining bars). Position the tool under the metal bar connecting the strap to the lug, apply gentle pressure to pop the bar out of the fixing holes, and repeat on the opposite side. Some prefer to entrust the task to a specialist watchmaker to avoid case scratches. The procedure takes approximately 5 minutes.

Yes, it is entirely possible to fit a quality 20mm aftermarket strap on a Sea-Dweller 16660 Tiffany. Many collectors choose artisanal straps in alligator, shell cordovan or vegetable-tanned leather to personalise their watch. It is important to ensure the strap is made by specialised craftsmen and that the lug endpieces are precisely finished to avoid movement or rattle.

Lifespan depends on material and usage. An artisanal-quality alligator strap lasts 5–7 years under daily wear conditions. Shell cordovan, being denser, can last up to 10 years. FKM rubber straps have greater longevity, 8–12 years. Vegetable-tanned calf averages 4–6 years. All these periods extend if the watch is worn occasionally. Maintenance—drying after water contact, treatment with specific creams—significantly prolongs lifespan.