If you are a watch aficionado and appreciate handmade items, maybe you can appreciate the handbuilt toolwatches of SUBDELTA of the Netherlands. Founded in 2015, this young microbrand has issued 3 models already. It all started with the 24H single-handed titanium Periscope, followed by the titanium pilot's watch called Ace. This model now has a blue-faced, steel iteration, called Blue Ace. Visit SUBDELTA.com for more information.