Tudor Black Bay Chrono 39 Bumblebee 79310N

Tudor Tudor Black Bay Chrono 39 Bumblebee 79310N

Tudor · Black Bay Chrono 39 Bumblebee

20mm

lug width

Shop 20 mm bands
Lug width
20 mm
Case diameter
39 mm
Reference
79310N
Family
Black Bay Chrono 39 Bumblebee
Year
2026

Will a strap close on your wrist?

Set for this watch: 39 mm of case and 20 mm between the lugs. Add your wrist and see where a standard strap would close.

mm

Filled in with the case diameter, which is what we hold for this reference. Measure the watch tip to tip for the exact answer: it is usually a few mm more.

75 mm115 mm

Enter your wrist measurement to see whether a standard 75/115 mm strap closes on you, and where.

Why ready-made straps come in one length →

Sizing notes

  • With a 39 mm case on a 20 mm lug width, any 20 mm band fits without adapters.