36+ Omega Speedmaster 39Mm Lug To Lug US. Some people will say it's too big, i'll get the smaller fois. the fun part is, that the fois won't cause the watch to have the tips of the lugs further from the diameter of the speedmaster reduced without the crown and pushers is 38 mm and the lug to lug is 45 mm. When measured from lug to lug, the reduced is 44 mm long and the professional, 47 mm.
I'd just started exploring mechanical watches and had been rotating between a hamilton jazzmaster viewmatic 37 (h32455557) and a 1964 omega seamaster (reference 165.002).
Day & month on 12 o'clock bracelet. Planet earth to outer space. The lug to lug length also plays a part, and here on the speedmaster it's a big part to play. When measured from lug to lug, the reduced is 44 mm long and the professional, 47 mm.