Seamaster Diver 300M Co-Axial 41.5 Chronograph Stainless Steel / Black / Bracelet

Omega Seamaster Diver 300M Co-Axial 41.5 Chronograph Stainless Steel / Black / Bracelet

Omega · Seamaster Diver 300M

20mm

lug width

Shop 20 mm bands
Lug width
20 mm
Case diameter
42 mm
Reference
212.30.42.50.01.001 (aka: 21230425001001)
Family
Seamaster Diver 300M
Year
2013

Will a strap close on your wrist?

Set for this watch: 42 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 42 mm case on a 20 mm lug width, any 20 mm band fits without adapters.