Strap for Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Orange / Alligator

The lug width of the 2908.50.38 is precisely 22mm. This dimension is critical when purchasing a compatible strap. To verify it, measure the internal distance between the two lugs using a digital caliper positioned perpendicular to the bezel. An undersized strap would cause stress on the spring bars; an oversized one would not fit properly into the lug seats.

It depends on your intended use. For an elegant aesthetic contrast, vegetable-tanned alligator leather creates a refined visual dialogue with the robustness of the case. Shell cordovan offers a patina that evolves over time. NATO straps made from recycled plastic fibers are practical and sustainable for recreational diving. FKM rubber is ideal for professional deep-water environments thanks to its tactile grip and complete impermeability.

Strap replacement requires the use of a spring bar removal tool. Turn the watch face down, locate the small lateral hole next to each lug, insert the tool to compress the internal spring bar, then extract the old strap and insert the new one into the lug holes until you hear the safety click. If you are not experienced, entrust the task to a professional watchmaker to avoid scratches on the case.

Yes, provided they respect the 22mm lug width. Aftermarket straps of quality (alligator, cordovan, NATO) are completely compatible and often offer superior aesthetic or functional options compared to original straps. Always verify the lug width before purchase and choose suppliers that guarantee precision construction and impeccable finishing.

A quality leather strap (alligator, cordovan with vegetable tanning) lasts 3-5 years with regular daily wear, provided it is cared for properly: avoid prolonged exposure to fresh water, dry it after immersions, apply maintenance balms annually. Sporadic or seasonal use extends its life to 7-10 years. NATO straps made from recycled fibers offer superior durability (8-12 years) thanks to the resistance of recycled plastic fiber, while FKM rubber can last indefinitely but loses elasticity after 5-7 years of intensive use.