Omega Speedmaster Professional Moonwatch Alaska Project III 42mm, reference ST 145.0022 Alaska III

Omega Speedmaster Professional Moonwatch Alaska Project III 42mm Compatible Leather Straps

Reference: ST 145.0022 Alaska III

Explore Omega Speedmaster Professional Moonwatch Alaska Project III 42 mm, reference ST 145.0022 Alaska III, and its strap measurements.

Case diameter
42 mm
Lug width
20 mm
Suggested buckle width
18 mm
Connection type
Check the watch attachment before ordering
Explore straps for 20 mm lugs

Strap compatibility

The right strap for Omega Speedmaster Professional Moonwatch Alaska Project III 42mm

Choose a strap measuring 20 mm at the watch lugs. Check the attachment and your existing strap before ordering.

Our recommended combinations

Choose your leather color, stitching and length after confirming the watch lug width. Buckle sizes are suggestions.

The right length

How do you measure your wrist?

To choose the right strap length, measure your wrist where you normally wear your watch.

  1. Wrap a flexible measuring tape around your wrist without leaving a gap.
  2. Record the point where the tape meets in centimetres.
  3. If you are between sizes, ask for guidance based on your preferred fit.