Bovet 1822 Récital 20 Astérium

High-complication astronomical piece in the Writing Slope case, combining a perpetual calendar, night-sky chart, and double-faced flying tourbillon; won the Astronomy and Calendar prize at the GPHG.

3 references

Reference	Variant	Years	Dial	Size
R20N001	18K Red Gold, Limited to 60	Not recorded	Not recorded	46 mm
R20N002	18K White Gold, Limited to 60	Not recorded	Not recorded	46 mm
R20N003	Platinum, Limited to 60	Not recorded	Not recorded	46 mm