Strap for Speedmaster Professional Moonwatch Albino

The lug width of reference 3593.20.00 is strictly 20 millimetres. This width is specific to the Moonwatch model and is the result of Omega's balancing calculations. Measure correctly: position a calliper from the centre of the first attachment hole to the centre of the second hole of the original strap and verify that you read 20mm. An incorrect measurement (19mm, 21mm) creates play on the case and compromises the designed aesthetics.

The best strap depends on your use. For frequent wear and versatility, Italian or French tannin alligator wins for balanced grain, natural patina that improves over time, and superior resistance. For formal elegance, European calf with vegetable tanning offers unmatched colour depth. For preservation as a heirloom, shell cordovan invisible under a grey-blue fabric NATO strap keeps the original intact. The brushed steel deployant remains the universally appropriate choice.

The Moonwatch 3593 uses standard straight lugs, not reversible spring bars. Proceed as follows: 1) Remove the original strap with a spring bar tool, gently leveraging the two lower attachments. 2) Completely remove the metal lugs from the old strap. 3) Position the lugs in the two holes of the new 20mm strap (one per side). 4) Insert the strap into the lower case, then push gently upward to snap the lugs into the two upper case slots. The pressure should be firm but not forced; if you feel unusual resistance, recheck the alignment.

Yes, but with one critical condition: the strap must have a lug width of strictly 20 millimetres. Any quality strap made with this width (whether tannin alligator, calf, rubber, NATO, shell cordovan) fits perfectly. Avoid generic e-commerce straps sold as "Speedmaster" without lug width details, as they often have constructive tolerances that create visible play on the case. Custom straps made at specialised ateliers guarantee millimetre precision and the ability to personalise the stitch thread.

A quality leather strap (tannin alligator or vegetable-tanned calf) lasts an average of 3-5 years with daily wear under normal humidity and temperature conditions. Alligator tends to last longer than calf due to its more structured fibre. Factors that shorten durability: prolonged exposure to moisture (sea, shower), extreme temperatures, acidic sweat, repeated flexing. Factors that extend it: regular rotation with other straps, periodic cleaning with a soft dry cloth, storage in humidity-controlled environments. A well-maintained strap may require simple waterproofing treatments every 18-24 months instead of complete replacement. The 18-month warranty offered by bespoke ateliers covers manufacturing defects and anomalous early wear.