Omega · Globemaster

Strap for Globemaster Stainless Steel / Blue / Leather

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter39 mm
Reference130.33.39.21.03.001 (aka: 13033392103001)
FamilyGlobemaster
MovementOmega caliber 8900 hours, minutes, seconds | date | chronometer, co-Axial escapement
Year2015
CaseTungsten, Stainless Steel

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 Globemaster 130.33.39.21.03.001 (aka: 13033392103001)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Globemaster 130.33.39.21.03.001 (aka: 13033392103001), seen from the bench

The Omega Globemaster 130.33.39.21.03.001 represents the contemporary evolution of a lineage dating to 20th-century marine chronometers. The 39 mm stainless steel and tungsten case houses the calibre 8900 Co-Axial Master Chronometer, certified METAS with chronometric tolerance of −0 seconds/day. The strap lug width is 20 mm.

Frequently asked questions

What is the lug width of the Omega Globemaster 130.33.39.21.03.001?

The Omega Globemaster 130.33.39.21.03.001 features 20 mm lugs. This measurement is crucial when purchasing a compatible strap: ensure you verify with a digital caliper the distance between the internal anchor points of the lugs before ordering, as even variations of 0.5 mm would result in poor fit.

Which strap material pairs best with the Globemaster 130.33.39.21.03.001?

Vegetable-tanned alligator leather represents the ideal aesthetic choice for the Globemaster, as the natural grain of the leather amplifies the perception of depth of the sandblasted grey dial without creating visual competition. Alternatively, aged shell cordovan or vegetable-tanned calfskin offer refined patinas. For nautical environments, ballistic nylon NATO fabric maintains durability without compromise.

How do you change the strap on the Omega Globemaster 130.33.39.21.03.001?

The Globemaster uses a standard 20 mm spring bar. Use a dedicated tool (spring bar tool) to gently press the spring from one side and extract it, or consult a certified jeweler. Avoid forcing it manually to prevent damage to the lug guides. The operation takes just a few minutes with the correct tools.

Are there aftermarket straps compatible with reference 130.33.39.21.03.001?

Yes, any 20 mm strap is compatible with the Globemaster 130.33.39.21.03.001. Milanostraps.it offers a selection of customizable artisanal straps in leather (alligator, calfskin, shell cordovan) and technical materials, all crafted to guarantee certified dimensional compatibility and made-to-measure adjustment options.

How long does a leather strap last on an Omega Globemaster?

A quality leather strap (vegetable tanning) worn daily has an average lifespan of 5-7 years before requiring replacement. The patina evolves constantly, enriching itself with natural hues. Wear is predictable: thinning at the edges, minor cracking, tone variation. Shell cordovan or alligator straps often exceed 10 years if properly maintained and protected from excessive moisture.

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