Strap for Seamaster Aqua Terra 150M Quartz 29.2 Yellow Gold / Silver

The Omega Aqua Terra 2677.50.37 has a lug width of 18 mm. This measurement specifies the internal distance between the two case lugs and determines compatibility with all aftermarket straps. It is an intermediate size, ideal for slimmer female and male wrists.

For this 18-karat yellow gold model, straps in medium brown alligator, vegetable-tanned calf in cognac color, or deep black represent the most coherent choices. Alligator enhances the warmth of gold without redundancy; calf leather offers a patina that ages elegantly; black creates the classic gold-dark contrast.

The straps on the Aqua Terra 2677.50.37 are changed using a spring bar remover (a specialized bifurcated tool) to extract the spring bars from the 18 mm lugs. Insert the tool into the lateral spaces of the lug, apply gentle pressure to release the old strap, then install the new one by snapping the spring bars into their respective seats.

Yes, any strap with an 18 mm lug width is compatible with the 2677.50.37. Milanostraps offers a wide range of handcrafted straps in alligator, calf, rubber and other materials, all ready to ship and customizable. The Casati Milano atelier also offers bespoke custom creations.

A quality leather strap (artisanal alligator or calf) typically lasts 3–5 years with daily wear, depending on climate, care, and cleaning frequency. FKM rubber or silicone offer longer lifespans (7–10 years). The 18-month warranty offered by Casati Milano covers manufacturing defects and material flaws during this critical initial period.