Which LDFAS bands fit the Longines Spirit 42mm?

Yes. LDFAS lists 1 compatible band for the Longines Spirit 42mm: LDFAS 22mm Quick Release Titanium Watch Band - 3-Link Bracelet with Hidden Clasp.

What band size does the Longines Spirit 42mm use?

The Longines Spirit 42mm has a 42mm case. Compatible band width: Quick Release 22mm. Longines Spirit 42mm uses 22mm lugs. The 40mm Spirit uses 21mm.

Yes — 1 LDFAS band are available for the Longines Spirit 42mm, each covered by a 2-year warranty.

Longines42mmLug Quick Release 22mmSpirit

Longines Spirit 42mm uses 22mm lugs. The 40mm Spirit uses 21mm.

Grade 1 Pure Titanium (99.5%+) — aerospace-grade, feather-light and skin-friendly.
Precision fit — engineered to the exact lug geometry of your watch.
2-year warranty on every LDFAS band.

Which LDFAS bands fit the Longines Spirit 42mm?: Yes. LDFAS lists 1 compatible band for the Longines Spirit 42mm: LDFAS 22mm Quick Release Titanium Watch Band - 3-Link Bracelet with Hidden Clasp.
What band size does the Longines Spirit 42mm use?: The Longines Spirit 42mm has a 42mm case. Compatible band width: Quick Release 22mm. Longines Spirit 42mm uses 22mm lugs. The 40mm Spirit uses 21mm.
Are LDFAS bands compatible with the Longines Spirit 42mm?: Yes — 1 LDFAS band are available for the Longines Spirit 42mm, each covered by a 2-year warranty.