Case Size 
Lug Width
Case Thickness
22mm Square
22mm x 17mm
16mm
6mm
34mm Square
21mm x 21mm
16mm
6mm
27mm Square
27mm x 22mm
18mm
6mm
40mm Square
23mm x 27mm
20mm
6mm
26mm Round
26mm diameter
12mm
6mm
30mm Round
30mm diameter
14mm
7.5mm
33mm Round
33mm diameter
16mm
6mm
38mm Round
38mm diameter
18mm
7.5mm
39mm Round
39mm diameter
18mm
8.5mm
40mm Round
40mm diameter
20mm
6mm

STRAPS

  • When replacing your watch strap check the lug width to make sure you are buying the correct size.
  • Milanese straps are adjustable, see how here.
  • Link straps can be adjusted for a perfect fit at your local watchmaker or Larsson & Jennings store.