Omega · Seamaster Diver 300M
Strap for Seamaster Diver 300M Co-Axial 36.25 Stainless Steel / Blue / Rubber
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 2922.80.91
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 2922.80.91, seen from the bench
Frequently asked questions
What is the lug width of the Omega Seamaster Diver 300M 2922.80.91?
The lug width of the 2922.80.91 is 20mm, which is the distance between the two pins that connect the strap to the case. This specification is essential for selecting compatible aftermarket straps. You can verify it by measuring the distance between the attachments on your case or by consulting official Omega documentation.
What is the best strap for the Omega Seamaster Diver 300M 2922.80.91?
The choice depends on intended use and aesthetic preferences. For formal elegance, we recommend dark blue or black alligator. For daily versatility, vegetable-tanned calf leather that develops patina over time. For diving activities, high-density rubber in black or navy blue. All three materials are perfectly compatible with the 20mm lug width.
How to change the strap on the Omega Seamaster Diver 300M 2922.80.91?
To change the strap, remove the original bracelet by extracting the lateral pins using a spring bar tool. Once the old strap is removed, insert the new one by aligning the lugs with the case pins and push until the locking click. If you prefer greater precision, entrust the task to a professional watchmaker or consult an expert at Milano Straps.
Are there aftermarket straps compatible with the 2922.80.91?
Yes, numerous quality aftermarket straps are compatible with the 20mm lug width. Milano Straps offers a curated collection of customizable leather straps (alligator, calf, shell cordovan) and rubber, all available for immediate shipment or custom-made at the Casati Milano atelier.
How long does a leather strap last on the 2922.80.91?
The lifespan of a leather strap varies depending on the material and wear. Alligator and shell cordovan typically resist for 3-5 years with regular use, while vegetable-tanned calf can last 2-4 years before requiring replacement. Exposure to water and humidity (typical of a diving watch) accelerates leather aging, making it advisable to have multiple straps in rotation.
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

