Jaeger-LeCoultre Reverso

Most Jaeger-LeCoultre Reverso references take a 20 mm watch strap: 127 of 193. The lug width follows the case size: 20 mm case → 14 mm, 21 mm case → 20 mm, 24 mm case → 20 mm and 27 mm case → 20 mm.

Shop 16 mm Shop 18 mm Shop 19 mm Shop 20 mm

Jaeger-LeCoultre Reverso lug width by case size

193 references measured; 30 more have an integrated bracelet. Updated 2026-10-29.

Case	Lug width	References	Watch strap attachment	For example
16 mm	20 mm	1	—	3264520
17 mm	20 mm	2	—	3258470, 3264420
18 mm	20 mm · 14 mm on 1	3	—	3363402, 3363490
20 mm	14 mm · 20 mm on 7	24	—	3288420, 3288560, 3342520
21 mm	20 mm · 15 mm on 8 · 14 mm on 1 · 18 mm on 1	21	—	2213399, 2608130, 2608530
23 mm	20 mm · 16 mm on 1	10	—	2508110, 2508411, 2508412
24 mm	20 mm · 18 mm on 14 · 16 mm on 1	35	—	2518140, 2538120, 2538420
26 mm	20 mm · 19 mm on 4	14	—	2438520, 2702121, 2702521
27 mm	20 mm · 18 mm on 1	41	—	2782520, 2782560, 2783520
28 mm	20 mm	11	—	3832420, 3838420, 3848420
29 mm	20 mm	2	—	7052421, 7058130
30 mm	22 mm · 20 mm on 6	16	—	389257J, 389848J, 3912420
31 mm	20 mm	2	—	Q39434E1, Q7122480
35 mm	20 mm	1	—	7008420
36 mm	20 mm · 15 mm on 1 · 18 mm on 1	4	—	2332420, 2353520
not recorded	14 mm · 15 mm on 1 · 16 mm on 1 · 18 mm on 1 · 20 mm on 1	6	—	Q3362201, Q3363402

References that take a different watch strap

3363401: 14 mm, not the 20 mm of most 18 mm cases
2608110: 20 mm, not the 14 mm of most 20 mm cases
2608411: 20 mm, not the 14 mm of most 20 mm cases
2618110: 20 mm, not the 14 mm of most 20 mm cases
2618411: 20 mm, not the 14 mm of most 20 mm cases
2618412: 20 mm, not the 14 mm of most 20 mm cases
3288120: 20 mm, not the 14 mm of most 20 mm cases
3348120: 20 mm, not the 14 mm of most 20 mm cases
2662422: 15 mm, not the 20 mm of most 21 mm cases
2662430: 15 mm, not the 20 mm of most 21 mm cases
2668430: 15 mm, not the 20 mm of most 21 mm cases
3362201: 14 mm, not the 20 mm of most 21 mm cases
Q2602540: 15 mm, not the 20 mm of most 21 mm cases
Q2618141: 15 mm, not the 20 mm of most 21 mm cases
Q2618541: 15 mm, not the 20 mm of most 21 mm cases
Q2662530: 15 mm, not the 20 mm of most 21 mm cases
Q2668130: 18 mm, not the 20 mm of most 21 mm cases
Q2668432: 15 mm, not the 20 mm of most 21 mm cases
2562402: 16 mm, not the 20 mm of most 23 mm cases
2518540: 18 mm, not the 20 mm of most 24 mm cases
2548140: 18 mm, not the 20 mm of most 24 mm cases
2548441: 16 mm, not the 20 mm of most 24 mm cases
2572120: 18 mm, not the 20 mm of most 24 mm cases
2572420: 18 mm, not the 20 mm of most 24 mm cases

And 27 more in the full list below.

Questions about the Jaeger-LeCoultre Reverso

Do all Jaeger-LeCoultre Reverso case sizes take the same watch strap?

No. The lug width changes with the case size: the 20 mm case takes 14 mm, the 21 mm case takes 20 mm, the 24 mm case takes 20 mm, the 27 mm case takes 20 mm and the 30 mm case takes 22 mm. Check your case diameter before you buy.

Can two Jaeger-LeCoultre Reverso watches with a 24 mm case take different watch straps?

Yes. Of the 35 Jaeger-LeCoultre Reverso references with a 24 mm case, 20 take 20 mm, 14 take 18 mm and 1 take 16 mm. The reference number decides, not the case size alone.