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Omega · Speedmaster Reduced

Strap for Speedmaster Reduced Stainless Steel / Inverted Panda / Bracelet / Japan

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

18mm
18 mm strapsAll Omega
Lug width18 mm
Case diameter39 mm
Reference3510.52.00
FamilySpeedmaster Reduced
MovementOmega caliber 3220 Hours, Minutes, Small Seconds | Chronograph
CaseStainless Steel

Recommended spring bar

Spring bars Omega 18mm — single diameter

Technical match for lug width and diameter · lug 18 mm · Ø 1.8 mm

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The Speedmaster Reduced 3510.52.00, seen from the bench

The Speedmaster Reduced 3510.52.00 is a 39 mm stainless steel chronograph representing a deliberate reinterpretation of the original 1960s design. It houses the Lemania-based caliber 3220 automatic movement with three subdials arranged in classical chronograph layout. The satin-finished steel case and Hesalite crystal preserve the proportioned functionality of the iconic model, maintaining the 18 mm lug width.

Frequently asked questions

What is the lug width of the Omega Speedmaster Reduced 3510.52.00?

The Omega Speedmaster Reduced 3510.52.00 uses a <a href="/pages/termine-glossario/misura-ansa">lug width</a> of 18mm. This dimension is required for both lugs of the case and it is essential to verify it before ordering a replacement strap.

What is the best strap for the Omega Speedmaster Reduced 3510.52.00?

For the 3510.52.00 we recommend a black <a href="/pages/termine-glossario/alligatore">alligator</a> strap with <a href="/pages/termine-glossario/deployante">deployant</a> in brushed steel, which perfectly reflects the aesthetic balance of the case. Alternatively, a bordeaux <a href="/pages/termine-glossario/shell-cordovan">shell cordovan</a> with tonal stitching creates sophisticated contrast without betraying the sporty spirit of the chronograph.

How do you change the strap on an Omega Speedmaster Reduced?

The strap is changed using a spring bar tool. Position the bar on the side opposite the buckle, gently pushing downward to release the first lug, then repeat on the other side. The operation takes just a few minutes; if you prefer professional assistance, Casati Milano offers replacement service by appointment.

Can I mount an aftermarket strap on an Omega Speedmaster Reduced 3510.52.00?

Yes, absolutely. The 3510.52.00 accepts any strap with 18mm lug width. The artisanal straps from milanostraps.it are specifically calibrated for this dimension and guarantee complete compatibility, with the possibility of customization in leather, stitching and finishes.

How long does a leather strap last on a Speedmaster Reduced chronograph?

A quality leather strap—<a href="/pages/termine-glossario/concia-vegetale">vegetable tanned</a> or shell cordovan—maintains structural and aesthetic integrity for 3-5 years with regular use and ordinary maintenance. Casati Milano straps include an 18-month warranty; the natural aging of leather (patina, grain) represents positive evolution, not wear.

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