Strap for Seamaster Planet Ocean 600M Co-Axial 37.5 Stainless Steel / Diamond / White / Bracelet

The Omega Seamaster Planet Ocean 232.15.38.20.04.001 has a lug width of 20mm. This width corresponds to the distance between the case lugs where the strap attaches. To verify it, position a calliper between the two lugs on the inner side: you will find exactly 20mm.

The ideal strap depends on your intended use. For formal elegance, we recommend brown or black alligator with contrasting stitching. For daily versatility, nappa calf or shell cordovan. For underwater practicality, rubber or dark blue NATO. The two-tone steel and rose gold case pairs magnificently with materials that develop patina over time, such as vegetable-tanned leather.

The 232.15.38.20.04.001 uses standard Omega spring bars. Proceed as follows: position the spring bar tool on the lug, push the lateral elastic pin until you feel it click, extract the spring. Repeat on the other side. Insert the new strap by aligning the holes with the lugs, press the spring bar tool until the pins snap into position. Verify that it is securely fastened before wearing.

Yes, all straps with a 20mm lug width are compatible. Milano Straps offers a specific collection of artisanal 20mm straps made from premium leathers (alligator, calf, shell cordovan, rubber), customisable in size, initials and stitch type. The Casati Milano atelier also creates bespoke versions tailored to your specifications with exclusive consultation.

The lifespan of a leather strap varies according to the material and usage. A good quality nappa calf strap lasts 3–5 years with moderate wear. Alligator and shell cordovan, thanks to their more robust structure and ability to develop protective patina, guarantee 7–10 years or more, especially if treated with specific oils. A vegetable-tanned leather strap matures beautifully over time, becoming softer and more durable. Rubber and NATO easily exceed 10 years. Occasional use in controlled environments further extends longevity.