Omega · Aqua Terra

Strap for Seamaster Aqua Terra 150M Master Chronometer 41 Moonshine Gold / Green / Bracelet

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
Reference220.50.41.21.10.001
FamilyAqua Terra
MovementOmega caliber 8901 hours, minutes, seconds | date | chronometer, co-Axial escapement
Year2024
CaseMoonshine Gold

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 Aqua Terra 220.50.41.21.10.001

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Aqua Terra 220.50.41.21.10.001, seen from the bench

The Aqua Terra is part of Omega's Seamaster collection and features the automatic caliber 8901 with co-axial escapement and chronometer certification. The movement offers indication of hours, minutes, seconds and date. The case features 20mm lugs for the strap.

Frequently asked questions

What is the lug width of the Omega Aqua Terra 220.50.41.21.10.001?

The Omega Aqua Terra 220.50.41.21.10.001 has a lug width of 20 millimetres. This measurement indicates the distance between the two lugs of the case and is essential for choosing a compatible strap. The case width (41mm) should not be confused with the lug width measurement.

What is the best strap for the Omega Aqua Terra 220.50.41.21.10.001?

The ideal strap depends on use and aesthetic preference. For formal settings, black or brown alligator offers uncompromising elegance. For daily wear, vegetable-tanned calf develops a rich patina over time. For marine environments, shell cordovan or FKM rubber guarantee resistance to salt water. The choice depends on your personal profile and desired versatility.

How do you change the strap on the Omega Aqua Terra 220.50.41.21.10.001?

Strap replacement requires specific tools: a strap removal tool (or a fine pin) to extract the pins from the lugs. Position the watch securely, identify the pin on the side of the lug, gently push inward with the removal tool until release. Remove the old strap, insert the new one by aligning the holes, and push the pin until it clicks into place. This operation requires precision to avoid damaging the case.

Is an aftermarket 20mm strap truly compatible with the 220.50.41.21.10.001?

Yes, any strap with a 20mm lug width is geometrically compatible. However, the quality of fit depends on factors such as leather thickness, pin shape, and finish of the attachments. Artisanal straps from milanostraps.it are calibrated to Omega specifications to guarantee impeccable fit without play or friction.

How long does a leather strap last on the Omega Aqua Terra 220.50.41.21.10.001?

Durability depends on material and use. Alligator or shell cordovan, subjected to daily use that is not extremely aggressive, lasts 5-7 years. Vegetable-tanned calf, being more absorbent, requires more careful maintenance and typically lasts 3-5 years. Exposure to moisture, sweat and intense sunlight accelerates degradation. Casati Milano straps include an 18-month warranty and can be renewed through retrofit or preventive replacement.

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