Strap and bracelet options for the Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm, previewed on the brand’s own photograph of this watch. It takes a 21mm strap. The brown calf preview is free for everyone; the remaining 21 are part of the studio unlock.
Omega · Speedmaster
Ref. 304.33.44.52.01.001