Omega · Seamaster Diver 300M

Strap for Seamaster Diver 300M Automatic 41 Stainless Steel / Blue / Bracelet / James Bond

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter41 mm
Reference2531.80.00 (aka: 25318000, James Bond, 007)
FamilySeamaster Diver 300M
MovementOmega caliber 1120 hours, minutes, seconds | date | chronometer
Year1993 - 2005
CaseStainless Steel

Recommended spring bar

Spring bars Omega 20mm — 1.8mm diameter

Technical match for lug width and diameter · lug 20 mm · Ø 1.8 mm

All Omega spring barsOpen →

Straps for the Seamaster Diver 300M 2531.80.00 (aka: 25318000, James Bond, 007)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Seamaster Diver 300M 2531.80.00 (aka: 25318000, James Bond, 007), seen from the bench

The Seamaster Diver 300M reference 2531.80.00 is equipped with the Omega 1120 chronometer-certified caliber. It offers hour, minute, second and date indication with water resistance up to 300 meters. The lugs are designed for 20mm straps.

Frequently asked questions

What is the exact lug width of the Omega Seamaster Diver 300M 2531.80.00?

The lug width of the Omega Seamaster Diver 300M 2531.80.00 is 20 millimetres. This dimension is specific to this model and ensures perfect proportionality between the 41 mm case and the strap. It is essential to measure the space between the lugs with a calliper to avoid incompatible straps.

Which strap do you recommend for the Seamaster Diver 300M 2531.80.00?

Alligator is the aristocratic choice, with fine grain texture that ages magnificently. Cognac or dark brown calf offers versatility between sports and formal contexts. To preserve the diving vocation, satinised rubber or neoprene straps resist chlorine and salt water. Shell cordovan develops a honey-amber patina after months of wear.

How do I change the strap on my Omega Seamaster Diver 300M?

The Seamaster uses standard 20 mm lugs. Position the watch with the case facing upwards, use a spring bar tool to gently press the internal spring of one of the lugs, extract the old strap. Insert the new lug into the spring bar, verify that the spring clicks into position, repeat on the other side. Check alignment before wearing.

Can I use a compatible aftermarket strap on this 2531.80.00?

Yes, provided the lug width is exactly 20 mm. Aftermarket straps in leather, rubber or fabric are compatible if they respect this dimension. Caution: universal straps or other sizes create unacceptable gaps and friction. Specialist suppliers like milanostraps.it guarantee certified compatibility.

How long does a leather strap last on the Seamaster Diver 300M?

A premium leather strap (alligator, calf, shell cordovan) lasts an average of 3-5 years with moderate daily use, considering humidity, sun and friction. Vegetable tanning ages more rapidly but develops a fascinating patina. Rubber or neoprene straps have greater durability (5-7 years) if not exposed to prolonged concentrated chlorine. Casati Milano offers an 18-month warranty on all made-to-measure straps.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only