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Oris · BC3

Strap for BC3 Advanced Day Date DLC / Black / Leather

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

22mm
22 mm strapsAll Oris
Lug width22 mm
Case diameter42 mm
Reference01 735 7641 4764-07 5 22 56B
FamilyBC3
MovementOris caliber Oris 735 hours, minutes, seconds | date, day
Year2010
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

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Straps for the BC3 01 735 7641 4764-07 5 22 56B

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The BC3 01 735 7641 4764-07 5 22 56B, seen from the bench

The Oris BC3 features the automatic Oris Caliber 735 with hour, minute, second, date and day-of-the-week indications. The model has 22mm lugs and uses the reference 01 735 7641 4764-07 5 22 56B. The watch is part of the Swiss brand's BC3 collection of mechanical timepieces.

Frequently asked questions

What is the lug width of the Oris BC3 01 735 7641 4764-07 5 22 56B?

The lug width is 22 millimetres. This measurement is essential for identifying compatible straps and should be verified with a digital calliper, positioned between the spring bar holes, to ensure correct sizing when purchasing a replacement strap.

Which strap is best suited for the Oris BC3 01 735 7641 4764-07 5 22 56B?

The choice depends on intended usage. For elegant everyday wear we recommend alligator or vegetable-tanned calf leather. For aviator missions, a NATO strap in neutral tones is ideal. For maritime or extreme climatic environments, structured rubber guarantees maximum resistance.

How do you change the strap on an Oris BC3?

Use a spring bar tool to extract the suspension pins from their housings in the case. Carefully remove the previous strap, then insert the new pins into the replacement strap. Verify that the pins are fully inserted before fastening the strap to the case.

Which aftermarket straps are compatible with the 22mm lug width?

Milano Straps offers a comprehensive collection of 22mm straps: vegetable-tanned leather, premium NATO in various tones, structured rubber and alligator. All straps are supplied with universal spring bars and ready for dispatch.

How long does a leather strap last on the Oris BC3?

A vegetable-tanned leather strap typically lasts 3-5 years with daily wear, provided it is protected from moisture and exposed to sunlight for patina development. Alligator, being denser, can last up to 7-8 years. Longevity depends on climate conditions and cleaning frequency.

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