Patek Philippe Calatrava

Most Patek Philippe Calatrava references take a 20 mm watch strap: 117 of 199. The lug width follows the case size: 35 mm case → 18 mm, 37 mm case → 20 mm, 38 mm case → 20 mm and 39 mm case → 20 mm.

Shop 18 mm Shop 19 mm Shop 20 mm Shop 22 mm

Patek Philippe Calatrava lug width by case size

199 references measured. Updated 2026-10-29.

Case	Lug width	References	Watch strap attachment	For example
20 mm	21 mm	1	—	5296R-010
31 mm	16 mm · 19 mm on 1	4	—	7119G-010, 7119J-010, 7120R-001
33 mm	18 mm · 17 mm on 2	9	—	3718A Ivory, 3718A Slate, 3802/200J-001
34 mm	19 mm · 20 mm on 1	2	—	4895R-001
35 mm	18 mm · 17 mm on 3 · 14 mm on 1	10	—	4997/200G-001, 4997/200R-001, 5120/1G-001
36 mm	20 mm · 18 mm on 1 · 19 mm on 1	8	—	5116G-001, 5116R-001, 5119G-001
37 mm	20 mm · 18 mm on 19 · 21 mm on 7 · 19 mm on 6 · 22 mm on 2	61	—	5077/100G-036, 5077/100G-038, 5077/100G-042
38 mm	20 mm · 21 mm on 4 · 17 mm on 1 · 18 mm on 1	33	—	5088/100P-001, 5153G-001, 5153G-010
39 mm	20 mm · 19 mm on 3 · 21 mm on 2 · 22 mm on 1	60	—	5089G, 5089G-001, 5089G-010
40 mm	22 mm · 20 mm on 2 · 18 mm on 1 · 19 mm on 1 · 21 mm on 1	9	—	6007A-001, 6007G-001, 6007G-010
41 mm	21 mm	1	—	5328G-001
42 mm	21 mm	1	—	5522A-001

References that take a different watch strap

7120G-001: 19 mm, not the 16 mm of most 31 mm cases
4897G-001: 17 mm, not the 18 mm of most 33 mm cases
4897R-001: 17 mm, not the 18 mm of most 33 mm cases
4895G-001: 20 mm, not the 19 mm of most 34 mm cases
7200/1R-001: 14 mm, not the 18 mm of most 35 mm cases
7200/200R-001: 17 mm, not the 18 mm of most 35 mm cases
7200/50G-010: 17 mm, not the 18 mm of most 35 mm cases
7200/50G-011: 17 mm, not the 18 mm of most 35 mm cases
4899/900G-001: 18 mm, not the 20 mm of most 36 mm cases
4899/901G-001: 19 mm, not the 20 mm of most 36 mm cases
4978/400G-001: 18 mm, not the 20 mm of most 37 mm cases
5077/100G-018: 18 mm, not the 20 mm of most 37 mm cases
5077/100G-032: 18 mm, not the 20 mm of most 37 mm cases
5077/100G-033: 18 mm, not the 20 mm of most 37 mm cases
5077/100G-034: 18 mm, not the 20 mm of most 37 mm cases
5077/100G-035: 18 mm, not the 20 mm of most 37 mm cases
5077/100G-037: 18 mm, not the 20 mm of most 37 mm cases
5077/100P-014: 18 mm, not the 20 mm of most 37 mm cases
5077/100P-021: 18 mm, not the 20 mm of most 37 mm cases
5077/100R-014: 19 mm, not the 20 mm of most 37 mm cases
5077/100R-033: 18 mm, not the 20 mm of most 37 mm cases
5077/100R-035: 18 mm, not the 20 mm of most 37 mm cases
5077/100R-036: 18 mm, not the 20 mm of most 37 mm cases
5077/100R-037: 18 mm, not the 20 mm of most 37 mm cases

And 37 more in the full list below.

Questions about the Patek Philippe Calatrava

Do all Patek Philippe Calatrava case sizes take the same watch strap?

No. The lug width changes with the case size: the 33 mm case takes 18 mm, the 35 mm case takes 18 mm, the 37 mm case takes 20 mm, the 38 mm case takes 20 mm and the 39 mm case takes 20 mm. Check your case diameter before you buy.

Can two Patek Philippe Calatrava watches with a 37 mm case take different watch straps?

Yes. Of the 61 Patek Philippe Calatrava references with a 37 mm case, 27 take 20 mm, 19 take 18 mm and 7 take 21 mm. The reference number decides, not the case size alone.