Home / Brands / Jacob & Co / Unclassified / BU310.80.AA.AA.ABRUA Jacob & Co BU310.80.AA.AA.ABRUA 55 x 44mm · Rose Gold, Sapphire · Caliber JCAM55 · 30m
Jacob & Co Bugatti Tourbillon Sapphire Crystal
Brand Jacob & Co Full reference BU310.80.AA.AA.ABRUA Also written as BU31080AAAAABRUA Case diameter 55 x 44mm Case material Rose Gold, Sapphire Water resistance 30m Movement Manual Caliber JCAM55 Power reserve 80 hours Functions / complications Automaton, Power Reserve Indicator, Retrograde Hours, Retrograde Minutes, Tourbillon Dial color Green, No Dial Bracelet / strap Rubber Copy page link
Sources & record notes Displayed specifications follow the most complete source record. Other source records are retained below; conflicting values are not silently combined. The Watch Pages.
The Watch Pages · Jacob & Co BU310.80.AA.AA.ABRUA Original collection: Not recorded
Technical Specifications / Date Added: April 9, 2026
Technical Specifications / Reference: BU310.80.AA.AA.ABRUA
Technical Specifications / Brand: Jacob & Co
Technical Specifications / Case Size: 55 x 44mm
Technical Specifications / Case Material: Rose Gold, Sapphire
Technical Specifications / Dial Color: Green, No Dial
Technical Specifications / Dial Finish: Openworked
Technical Specifications / Movement: Manual
Technical Specifications / Caliber: JCAM55
Technical Specifications / Power Reserve: 80 hours
Technical Specifications / Water Resistance: 30m
Technical Specifications / Strap Material: Rubber
Technical Specifications / Strap Color: Green
Technical Specifications / Buckle Type: Folding Clasp
Technical Specifications / Style: Sporty
Technical Specifications / Special Features: Limited Edition, Open Case Back, Skeletonized, Water Resistant
Technical Specifications / Limited Edition: Limited to 1 pieces
Technical Specifications / Complications: Automaton, Power Reserve Indicator, Retrograde Hours, Retrograde Minutes, Tourbillon Images are loaded from the cited external sources. Copyright remains with its holders; permission to reproduce locally has not been established.
Corrections and data limitations 