Omega Seamaster 120M 120M-2511-21

The Omega Seamaster 120M 120M-2511-21 takes an 18 mm watch band.

Omega · Seamaster 120M

18mm

lug width

Bands that fit

Cut and stitched in Milano, in the width this watch takes.

Any 18 mm band fits this reference, in leather, rubber or fabric.
Inside the Seamaster 120M family the lug width is not one number: it runs 18, 20 mm. This reference is the 18 mm one, so a band bought for another Seamaster 120M may not fit it. Why the size changes inside a family →
18 mm is not a common size: only 3,965 of the 41,485 watches measured take it (9.6%), so ready-made choice at this width is narrower than at 20 or 22 mm. Every watch that takes 18 mm →