Omega · Seamaster Diver 300M
Strap for Seamaster Diver 300M Quartz 41 Stainless Steel / Electric 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 2265.80.00 (aka: 22658000)
Selected for the 20 mm lug width · workshop selection
Military Red Alligator Strap with Blue Stitching€183
Black and Red NATO Strap — Military Heritage€183
Black Crocodile Military Strap with Blue Stitching€183
Black Calfskin NATO Strap 20mm€80
Dark Brown Calfskin Military Strap€80
The Seamaster Diver 300M 2265.80.00 (aka: 22658000), seen from the bench
Frequently asked questions
What is the lug width of the Omega Seamaster Diver 300M 2265.80.00?
The lug width of the Seamaster Diver 300M 2265.80.00 is 20mm. This measurement is essential for identifying compatible straps. You can verify it by directly measuring the distance between the pins that attach the strap to the case, or by consulting the official Omega documentation.
Which straps are most suitable for the Seamaster Diver 300M 2265.80.00?
For the Seamaster Diver 300M 2265.80.00 we recommend leather straps with vegetable tanning for a classic-elegant aesthetic, vulcanized rubber for authentic diving, or NATO fabric for versatile use. If you desire an aesthetic upgrade, alligator leather imparts a more refined aura while maintaining full compatibility with the case diameter.
How do you change the strap on an Omega Seamaster Diver 300M?
The strap is replaced by removing the pins (spring bars) from the lugs. Use a dedicated spring bar removal tool to avoid damaging the case. Position the watch on a soft surface, gently compress the pin with the tool until it is released, then insert the new strap by aligning the pins with the lug cavities. This is a simple operation that you can perform yourself.
Is a leather strap compatible with the Omega Seamaster Diver 300M 2265.80.00?
Yes, provided the strap has a lug width of 20mm. It is advisable to choose leathers with water-repellent treatments or pair it with vulcanized rubber for use that includes frequent water contact. For actual diving, vulcanized rubber remains the most suitable choice, while leather is optimal for daily use and urban environments.
How long does a leather strap last on a dive watch like the Seamaster Diver 300M?
A quality leather strap, made with vegetable tanning, typically lasts 2-3 years with daily use. Durability depends on exposure to water, sweat, and maintenance. If you use the Seamaster primarily for diving, a vulcanized rubber strap is more durable (5-7 years). Milano Straps guarantees 18 months on straps handcrafted in the atelier.
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

