Oris
Oris Big Crown Pointer Date 40 Strap Size — 20mm Lug Width
The Oris Big Crown Pointer Date 40 has a 20mm lug width, so it takes a 20mm watch strap.
Lug width20mm
| Lug width | 20 mm |
|---|---|
| Case size | 40 mm |
| Lug-to-lug | — |
| Thickness | — |
| Spring bar Ø (typical) | Not confirmed |
| End type | Straight |
Strap styles that fit
- NATO / Zulu20mm fits if the strap's thickness clears the case under the bars.
- PerlonWoven pass-through, 20mm.
- 2-piece leatherStraight ends fit flush.
- Rubber / siliconeDivers & sports fit well.
- Milanese / meshStraight-end 20mm mesh fits.
- Metal braceletNeeds 20mm end-links shaped for this case.
▲ Figures are for the 40mm case; check the size on your caseback before ordering.
Fit & sizing notes for the Big Crown Pointer Date 40
- Width: buy 20mm straps. Tapered straps listed as 20/18mm or 20/16mm fit too; only the first number has to match. See strap sizes explained.
- Spring bars: 20mm long. We haven't confirmed the diameter for this model, so measure the old bar before buying replacements (spring bar sizes).
Sources & corrections
Lug width checked against: Oris: Big Crown Pointer Date 01 754 7741 4065-07 5 20 63. Last checked 26 October 2026.
Spec wrong for your watch? Send us a correction with your reference number.
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Oris Big Crown Pointer Date 40 — strap questions
What size strap does the Big Crown Pointer Date 40 take?
The Oris Big Crown Pointer Date 40 has a 20mm lug width, so you need a 20mm watch strap.
Will any 20mm strap fit the Big Crown Pointer Date 40?
Most will. Width is the main thing to match, but also check that the strap's spring-bar holes suit the bars, and that the strap is thin enough to clear the case between the lugs. A metal bracelet needs 20mm end-links made for this model.
What spring bar size does the Big Crown Pointer Date 40 use?
20mm long. We haven't confirmed the diameter for the Big Crown Pointer Date 40, so measure the original bar with calipers before buying replacements.
Is the Big Crown Pointer Date 40 good for strap swapping?
Yes. With standard 20mm spring-bar lugs, NATO, leather, rubber and mesh straps can all be fitted with a spring-bar tool.