We offer watchstraps compatible with Omega buckle deployant claps. We offer racing and rallye watchstraps. Perfect for your Omega Speedmaster. 

20 mm  lugs  width and 18 mm buckle   95 mm/100 mm long. Thickness : around 2.3 mm for your comfort .

Please note  that we only mention watch brands and models in order to help our customers by providing technical necessary informations. 
Atelier Romane is not affiliated with Omega.