Longines Record

Most Longines Record references take a 20 mm watch strap: 43 of 55. The lug width follows the case size: 30 mm case → 18 mm, 39 mm case → 20 mm and 40 mm case → 20 mm.

Shop 18 mm Shop 19 mm Shop 20 mm

Longines Record lug width by case size

55 references measured. Updated 2026-10-29.

Case	Lug width	References	Watch strap attachment	For example
26 mm	13 mm	2	—	L2.320.4.87.6, L2.320.5.89.7
30 mm	18 mm · 15 mm on 2	5	—	L2.321.0.87.6, L2.321.5.11.2, L2.321.5.72.2
39 mm	20 mm · 18 mm on 2 · 19 mm on 2	23	—	L2.820.4.11.2, L2.820.4.11.6, L2.820.4.56.2
40 mm	20 mm · 18 mm on 1	25	—	L2.821.4.11.2, L2.821.4.11.6, L2.821.4.19.2

References that take a different watch strap

L2.321.4.87.6: 15 mm, not the 18 mm of most 30 mm cases
L2.321.5.11.7: 15 mm, not the 18 mm of most 30 mm cases
L2.820.4.57.6: 19 mm, not the 20 mm of most 39 mm cases
L2.820.4.72.6: 18 mm, not the 20 mm of most 39 mm cases
L2.820.4.76.6: 18 mm, not the 20 mm of most 39 mm cases
L2.820.8.92.2: 19 mm, not the 20 mm of most 39 mm cases
L2.821.4.56.2: 18 mm, not the 20 mm of most 40 mm cases

Questions about the Longines Record

Do all Longines Record case sizes take the same watch strap?

No. The lug width changes with the case size: the 30 mm case takes 18 mm, the 39 mm case takes 20 mm and the 40 mm case takes 20 mm. Check your case diameter before you buy.