Tudor · Style

Strap for Style 28 Stainless Steel / Yellow Gold / Burgundy-Diamond / Bracelet

Integrated attachment: measurements, the most common questions, and the way to a made-to-measure strap.

Lug width to be confirmed

On this Tudor Style 12103-0015 the lug width doesn't convince me, and I don't want to give you a number I'm not sure about. Write to me on WhatsApp with the reference or a photo of the watch: I'll check it and tell you myself.

Case diameter28 mm
Reference12103-0015 (aka: M12103-0015)
FamilyStyle
MovementTudor caliber T201 Hours, Minutes, Seconds | Date
CaseYellow Gold, Stainless Steel

Recommended spring bar

Modern Tudor 22mm spring bars — factory specification

Technical match for lug width and diameter · lug 22 mm · Ø 1.8 mm

All Tudor spring barsOpen →

The Style 12103-0015, seen from the bench

The Tudor Style is a three-hand watch with date indication. It is equipped with the Tudor T201 caliber for the display of hours, minutes, seconds and date. The reference M12103-0015 represents one of the available variants in the collection.

Frequently asked questions

What is the exact lug width of the Tudor Style 12103-0015?

The lug width (misura ansa) of the Tudor Style 12103-0015 is 20 millimetres. This measurement, taken centre-to-centre between the attachment pins on the case, determines compatibility with aftermarket straps. A calliper or metric ruler positioned perpendicular to the lugs provides the precise reading.

Which strap is most suitable for the Tudor Style 12103-0015?

We recommend alligator straps in medium brown or black for maximum formal elegance, vegetable-tanned calf for everyday versatility, or shell cordovan for extraordinary durability and patina development. The gold-and-steel bimetallic configuration is enhanced by quality leather that complements rather than competes for visual attention.

How do I change the strap on my Tudor Style 12103-0015?

Strap replacement is straightforward: place the watch face-down, locate the small hole or groove on each lug pin, insert a spring bar tool or pin, gently push to retract the pin's internal spring, and slide the old strap outward. Insert the new strap the same way, ensuring the pin is fully extended inside. The operation takes 2-3 minutes with steady hands.

How long does a leather strap last on my watch?

Lifespan depends on leather quality, frequency of wear, and maintenance. High-quality alligator or cordovan resists 5-8 years of daily wear before visible ageing; vegetable-tanned calf typically lasts 3-6 years. Applying conditioning cream every six months, avoiding prolonged moisture, and protecting from direct sunlight significantly extends strap life.

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

The atelier's website: casatimilano.com