Corum Bubble GMT (Ref. 383.250.20) – Light Red Strap – Watch Only. Up for sale is a Corum Bubble GMT, reference 383.250.20, one of the most distinctive and fun designs in modern watchmaking. Collector Notes: The Corum Bubble is a genuine conversation-starter — equal parts playful and collectible, with the GMT complication adding real function to its standout looks.
