Seiko Coutura SNE506P9
The Seiko Coutura SNE506P9 takes a 12 mm watch band.

Seiko · Coutura
- Lug width
- 12 mm
- Case diameter
- 42.5 mm
- Reference
- SNE506P9
- Family
- Coutura
- Model
- Coutura SNE506P9
Will a strap close on your wrist?
Set for this watch: 42.5 mm of case and 12 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.
Enter your wrist measurement to see whether a standard 75/115 mm strap closes on you, and where.
Sizing notes
- 12 mm is the gap between the lugs, so a 12 mm band goes in without adapters. Whether it sits flush against a 42.5 mm case depends on how that case is shaped.
- 12 mm is not a common size: only 317 of the 41,485 watches measured take it (0.8%), so ready-made choice at this width is narrower than at 20 or 22 mm. Every watch that takes 12 mm →





