Hublot Spirit of Big Bang

Most Hublot Spirit of Big Bang references take a 20 mm watch strap: 6 of 12. The lug width follows the case size: 39 mm case → 21 mm and 45 mm case → 20 mm.

Shop 20 mm Shop 21 mm Shop 24 mm

Hublot Spirit of Big Bang lug width by case size

12 references measured; 26 more have an integrated bracelet. Updated 2026-10-29.

Case	Lug width	References	Watch strap attachment	For example
39 mm	21 mm · 24 mm on 2 · 20 mm on 1	5	—	665.OX.1180.RX.1204, 665.OX.9010.LR.1604
45 mm	20 mm · 24 mm on 2	7	—	601.CI.7170.LR, 601.NX.0173.LR, 601.NX.0173.LR.1104

References that take a different watch strap

665.EO.891L.LR.1204: 20 mm, not the 21 mm of most 39 mm cases
665.NX.1170.LR.1604: 24 mm, not the 21 mm of most 39 mm cases
665.RN.891P.LR.1204: 24 mm, not the 21 mm of most 39 mm cases
601.MX.0138.RX: 24 mm, not the 20 mm of most 45 mm cases
601.OX.7180.LR: 24 mm, not the 20 mm of most 45 mm cases

Questions about the Hublot Spirit of Big Bang

Do all Hublot Spirit of Big Bang case sizes take the same watch strap?

No. The lug width changes with the case size: the 39 mm case takes 21 mm and the 45 mm case takes 20 mm. Check your case diameter before you buy.

Every Hublot Spirit of Big Bang reference

Other Hublot families

Inside each one the lug width often changes: it is the reference that decides.

All Hublot families → · Why the size changes inside a family →