The Karsten Fräsdorf Spirograph
link Sport case 45mm x 13.6mm stainless steel honeycomb dial motif. Water resistance 50 meters. Movement KF caliber 440 in-house one minute tourbillon with compensating affix balance shock-resistant suspension tested to 5000 Gs
link 70 hour theoretical power reserve restricted to 44 hours by Maltese cross stopworks. Price CHF 95000. Find out more at Montres-KF
link .