Omega · Seamaster Diver 300M
Strap for Seamaster Diver 300M Quartz 36.25 Stainless Steel / Yellow Gold / Blue / Bracelet
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 Seamaster Diver 300M 2362.80.00 (aka: 23628000)
Selected for the 20 mm lug width · workshop selection
Black Alligator Strap with Light Blue Edges€149
Red Alligator Strap Water Resistant€195
Green Rubberized Alligator Strap with Ecru Tribal Stitching€149
Military Alligator Green Strap€138
Hammered Calfskin Strap Light Blue€98
The Seamaster Diver 300M 2362.80.00 (aka: 23628000), seen from the bench
Frequently asked questions
What is the lug width of the Omega Seamaster Diver 300M 2362.80.00?
The lug width of the Seamaster Diver 300M 2362.80.00 is 20 millimetres. This measurement is the internal distance between the two pins that support the strap. It is essential to respect this width to ensure correct and stable attachment of the strap to the case.
Which strap material pairs best with the Omega Seamaster Diver 300M 2362.80.00 two-tone gold-steel?
For the two-tone Seamaster 2362.80.00, authentic black or dark brown alligator is the most sophisticated choice. The natural grain of the reptile leather creates a refined aesthetic contrast with the yellow gold. Alternatively, burgundy-cherry shell cordovan offers an extraordinary chromatic patina that elegantly complements the two-tone case. For frequent water use, a technical rubber strap respects the functional DNA of the model.
How do you change the strap on an Omega Seamaster Diver 300M?
To change the strap, you must remove the pins that support it. Use a spring bar tool to gently depressurize the elastic pins located at the sides of the case, at the level of the lugs. Once the pins are released, the strap detaches from the case. Insert the new 20mm strap by aligning the holes to the lugs and repeat the reverse operation, verifying that the pins lock completely.
Can I use an aftermarket compatible strap on my Omega Seamaster Diver 300M 2362.80.00?
Yes, it is absolutely possible to use quality aftermarket straps on this model, provided they respect the 20 millimetre lug width. Artisanal straps in alligator, calf, or shell cordovan offer aesthetic customization and construction quality often superior to original straps. Ensure that the strap is made with finishes consistent with the two-tone gold-steel of your watch.
How long does a leather strap last on an Omega Seamaster Diver 300M?
The durability of a leather strap depends on frequency of use, exposure to moisture, and material quality. A high-quality alligator or calf strap, with moderate use and regular drying after water exposure, maintains structural integrity for 3-5 years. Shell cordovan offers slightly longer durability thanks to fibre density. Careful maintenance, avoiding prolonged moisture and occasionally applying a leather balm, significantly extends the life of the strap.
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

