Oris · Big Crown

Strap for Big Crown Pointer Date 38 Calibre 473 Stainless Steel / Blue / Bracelet

Takes 19 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width19 mm
Case diameter38 mm
Reference01 473 7786 4065-07 8 19 06
FamilyBig Crown
MovementOris caliber Oris 473 Hours, Minutes, Small Seconds | Date | Power Reserve Indicator
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

The Big Crown 01 473 7786 4065-07 8 19 06, seen from the bench

The Oris Big Crown Pointer Date 38 with Caliber 473 is a stainless steel automatic watch continuing a Swiss watchmaking tradition begun in 1938. The 38mm brushed stainless steel case houses the robust Oris Caliber 473 movement, featuring a power reserve indicator, date function, and small seconds. The 19mm lug width accommodates standard straps without requiring custom solutions.

Frequently asked questions

What is the exact lug width of the Oris Big Crown 01 473 7786 4065-07 8 19 06?

The lug width of this model is 19mm. This measurement corresponds to the internal distance between the lugs of the stainless steel case. To verify independently, use a digital calliper and measure the distance between the internal walls of the lugs: you will obtain exactly 19mm. This dimension is standardised and allows the use of any artisanal strap compatible with 19mm lug width.

Which strap is recommended for the Big Crown 01 473 7786 4065-07 8 19 06?

The ideal strap depends on usage. To maximise vintage-contemporary aesthetics, choose an alligator in tobacco colour vegetable-tanned leather, which amplifies the natural patina of the brushed steel. If you seek urban versatility, a cognac calf with cream stitching is excellent. For robust daily use, a NATO in Cordura with leather passant, or FKM rubber with fine grain finish. Each option maintains the proportional balance of 38mm case + 19mm lug width.

How do you change the strap on the Oris Big Crown 01 473 7786 4065-07 8 19 06?

The Big Crown is equipped with standard 19mm spring bars. To replace the strap: 1) acquire a spring bar tool (extraction tool with two curved ends); 2) position the watch securely; 3) insert the tool tip into the small gap between lug and strap, gently pressing the spring inward to release the hook; 4) repeat on the other side; 5) insert the new strap by aligning the spring bar holes; 6) press until you hear the spring bar click shut. No specialised tools beyond the spring bar tool are required.

Which aftermarket strap is compatible with the 01 473 7786 4065-07 8 19 06?

Any strap with 19mm lug width is compatible. This standard is widely available in the artisanal market: full grain leather, shell cordovan, alligator, calf, NATO fabrics, vulcanised rubber straps. Compatibility is guaranteed by the standardisation of 19mm spring bars. Always verify that the supplier explicitly specifies "19mm" to avoid confusion with other common standards (18mm, 20mm).

How long does a leather strap last on the Oris Big Crown 01 473 7786 4065-07 8 19 06?

Longevity depends on leather type, tanning method, and intensity of use. An alligator or calf in vegetable tanning, worn daily (5–7 days per week), maintains aesthetic integrity for 3–4 years. The patina that develops (progressive darkening, intentional creasing) is a sign of natural ageing, not defect. With industrial tanning (chromic), durability tends toward 2–3 years before notable degradation. If you wear the watch 2–3 days per week, you can extend performance by 50–70%. FKM rubber lasts 4–6 years if not exposed to prolonged direct UV.

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