Brellum is a Swiss watch company that dates back to 1885 and is currently under the control of Sebastian Mueller, a 4th generation watchmaker with over 25 years experience in Swiss watchmaking. Revived in 2015 the Jura, Switzerland company offers three collections of Duobox watches. About three months ago they launched a fourth collection of 14 watches, the Duobox Pandial, the subject of this review.

Duobox refers to the domed box shaped sapphire crystals with inner anti reflective treatment that are on both the front and the back of these watches. The watches are manufactured in Switzerland and are COSC Certified. The certification process requires a minimum of 15 days per watch and when completed each watch must have accuracy better than -4/+6 seconds per day after testing under various temperatures and positions. All Brellum watches go through a 5 step QC process before they are released for sale.